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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// Copyright 2005, Google Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// All rights reserved.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// modification, are permitted provided that the following conditions are</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// met:</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">//     * Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">//     * Redistributions in binary form must reproduce the above</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// copyright notice, this list of conditions and the following disclaimer</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// in the documentation and/or other materials provided with the</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">// distribution.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">//     * Neither the name of Google Inc. nor the names of its</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">// contributors may be used to endorse or promote products derived from</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">// this software without specific prior written permission.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">// Authors: wan@google.com (Zhanyong Wan)</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">// Low-level types and utilities for porting Google Test to various</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment">// platforms.  All macros ending with _ and symbols defined in an</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment">// internal namespace are subject to change without notice.  Code</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment">// outside Google Test MUST NOT USE THEM DIRECTLY.  Macros that don&#39;t</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment">// end with _ are part of Google Test&#39;s public API and can be used by</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment">// code outside Google Test.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">// This file is fundamental to Google Test.  All other Google Test source</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">// files are expected to #include this.  Therefore, it cannot #include</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">// any other Google Test header.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment">// Environment-describing macros</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">// -----------------------------</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">// Google Test can be used in many different environments.  Macros in</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">// this section tell Google Test what kind of environment it is being</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment">// used in, such that Google Test can provide environment-specific</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">// features and implementations.</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment">// Google Test tries to automatically detect the properties of its</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">// environment, so users usually don&#39;t need to worry about these</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment">// macros.  However, the automatic detection is not perfect.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment">// Sometimes it&#39;s necessary for a user to define some of the following</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">// macros in the build script to override Google Test&#39;s decisions.</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">// If the user doesn&#39;t define a macro in the list, Google Test will</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">// provide a default definition.  After this header is #included, all</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">// macros in this list will be defined to either 1 or 0.</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">// Notes to maintainers:</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">//   - Each macro here is a user-tweakable knob; do not grow the list</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">//     lightly.</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment">//   - Use #if to key off these macros.  Don&#39;t use #ifdef or &quot;#if</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment">//     defined(...)&quot;, which will not work as these macros are ALWAYS</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment">//     defined.</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment">//   GTEST_HAS_CLONE          - Define it to 1/0 to indicate that clone(2)</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment">//                              is/isn&#39;t available.</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">//   GTEST_HAS_EXCEPTIONS     - Define it to 1/0 to indicate that exceptions</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">//                              are enabled.</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">//   GTEST_HAS_GLOBAL_STRING  - Define it to 1/0 to indicate that ::string</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">//                              is/isn&#39;t available (some systems define</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">//                              ::string, which is different to std::string).</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">//   GTEST_HAS_GLOBAL_WSTRING - Define it to 1/0 to indicate that ::string</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">//                              is/isn&#39;t available (some systems define</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">//                              ::wstring, which is different to std::wstring).</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">//   GTEST_HAS_POSIX_RE       - Define it to 1/0 to indicate that POSIX regular</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment">//                              expressions are/aren&#39;t available.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">//   GTEST_HAS_PTHREAD        - Define it to 1/0 to indicate that &lt;pthread.h&gt;</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">//                              is/isn&#39;t available.</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment">//   GTEST_HAS_RTTI           - Define it to 1/0 to indicate that RTTI is/isn&#39;t</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment">//                              enabled.</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment">//   GTEST_HAS_STD_WSTRING    - Define it to 1/0 to indicate that</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">//                              std::wstring does/doesn&#39;t work (Google Test can</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment">//                              be used where std::wstring is unavailable).</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment">//   GTEST_HAS_TR1_TUPLE      - Define it to 1/0 to indicate tr1::tuple</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">//                              is/isn&#39;t available.</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment">//   GTEST_HAS_SEH            - Define it to 1/0 to indicate whether the</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment">//                              compiler supports Microsoft&#39;s &quot;Structured</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment">//                              Exception Handling&quot;.</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment">//   GTEST_HAS_STREAM_REDIRECTION</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment">//                            - Define it to 1/0 to indicate whether the</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment">//                              platform supports I/O stream redirection using</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment">//                              dup() and dup2().</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment">//   GTEST_USE_OWN_TR1_TUPLE  - Define it to 1/0 to indicate whether Google</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment">//                              Test&#39;s own tr1 tuple implementation should be</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment">//                              used.  Unused when the user sets</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment">//                              GTEST_HAS_TR1_TUPLE to 0.</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment">//   GTEST_LANG_CXX11         - Define it to 1/0 to indicate that Google Test</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment">//                              is building in C++11/C++98 mode.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="comment">//   GTEST_LINKED_AS_SHARED_LIBRARY</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment">//                            - Define to 1 when compiling tests that use</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="comment">//                              Google Test as a shared library (known as</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment">//                              DLL on Windows).</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="comment">//   GTEST_CREATE_SHARED_LIBRARY</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="comment">//                            - Define to 1 when compiling Google Test itself</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="comment">//                              as a shared library.</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="comment">// Platform-indicating macros</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="comment">// --------------------------</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="comment">// Macros indicating the platform on which Google Test is being used</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="comment">// (a macro is defined to 1 if compiled on the given platform;</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="comment">// otherwise UNDEFINED -- it&#39;s never defined to 0.).  Google Test</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="comment">// defines these macros automatically.  Code outside Google Test MUST</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="comment">// NOT define them.</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="comment">//   GTEST_OS_AIX      - IBM AIX</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="comment">//   GTEST_OS_CYGWIN   - Cygwin</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="comment">//   GTEST_OS_FREEBSD  - FreeBSD</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="comment">//   GTEST_OS_HPUX     - HP-UX</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">//   GTEST_OS_LINUX    - Linux</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="comment">//     GTEST_OS_LINUX_ANDROID - Google Android</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment">//   GTEST_OS_MAC      - Mac OS X</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="comment">//     GTEST_OS_IOS    - iOS</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="comment">//   GTEST_OS_NACL     - Google Native Client (NaCl)</span></div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="comment">//   GTEST_OS_OPENBSD  - OpenBSD</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="comment">//   GTEST_OS_QNX      - QNX</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="comment">//   GTEST_OS_SOLARIS  - Sun Solaris</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="comment">//   GTEST_OS_SYMBIAN  - Symbian</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="comment">//   GTEST_OS_WINDOWS  - Windows (Desktop, MinGW, or Mobile)</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="comment">//     GTEST_OS_WINDOWS_DESKTOP  - Windows Desktop</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="comment">//     GTEST_OS_WINDOWS_MINGW    - MinGW</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="comment">//     GTEST_OS_WINDOWS_MOBILE   - Windows Mobile</span></div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="comment">//     GTEST_OS_WINDOWS_PHONE    - Windows Phone</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="comment">//     GTEST_OS_WINDOWS_RT       - Windows Store App/WinRT</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="comment">//   GTEST_OS_ZOS      - z/OS</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="comment">// Among the platforms, Cygwin, Linux, Max OS X, and Windows have the</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="comment">// most stable support.  Since core members of the Google Test project</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="comment">// don&#39;t have access to other platforms, support for them may be less</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="comment">// stable.  If you notice any problems on your platform, please notify</span></div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="comment">// googletestframework@googlegroups.com (patches for fixing them are</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="comment">// even more welcome!).</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="comment">// It is possible that none of the GTEST_OS_* macros are defined.</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="comment">// Feature-indicating macros</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="comment">// -------------------------</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="comment">// Macros indicating which Google Test features are available (a macro</span></div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="comment">// is defined to 1 if the corresponding feature is supported;</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="comment">// otherwise UNDEFINED -- it&#39;s never defined to 0.).  Google Test</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="comment">// defines these macros automatically.  Code outside Google Test MUST</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment">// NOT define them.</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="comment">// These macros are public so that portable tests can be written.</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="comment">// Such tests typically surround code using a feature with an #if</span></div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="comment">// which controls that code.  For example:</span></div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="comment">// #if GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="comment">//   EXPECT_DEATH(DoSomethingDeadly());</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="comment">// #endif</span></div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="comment">//   GTEST_HAS_COMBINE      - the Combine() function (for value-parameterized</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="comment">//                            tests)</span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="comment">//   GTEST_HAS_DEATH_TEST   - death tests</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="comment">//   GTEST_HAS_PARAM_TEST   - value-parameterized tests</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="comment">//   GTEST_HAS_TYPED_TEST   - typed tests</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="comment">//   GTEST_HAS_TYPED_TEST_P - type-parameterized tests</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="comment">//   GTEST_IS_THREADSAFE    - Google Test is thread-safe.</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="comment">//   GTEST_USES_POSIX_RE    - enhanced POSIX regex is used. Do not confuse with</span></div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="comment">//                            GTEST_HAS_POSIX_RE (see above) which users can</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="comment">//                            define themselves.</span></div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="comment">//   GTEST_USES_SIMPLE_RE   - our own simple regex is used;</span></div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="comment">//                            the above two are mutually exclusive.</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="comment">//   GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ().</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;<span class="comment">// Misc public macros</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;<span class="comment">// ------------------</span></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="comment">//   GTEST_FLAG(flag_name)  - references the variable corresponding to</span></div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="comment">//                            the given Google Test flag.</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="comment">// Internal utilities</span></div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="comment">// ------------------</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="comment">// The following macros and utilities are for Google Test&#39;s INTERNAL</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="comment">// use only.  Code outside Google Test MUST NOT USE THEM DIRECTLY.</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="comment">// Macros for basic C++ coding:</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="comment">//   GTEST_AMBIGUOUS_ELSE_BLOCKER_ - for disabling a gcc warning.</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="comment">//   GTEST_ATTRIBUTE_UNUSED_  - declares that a class&#39; instances or a</span></div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="comment">//                              variable don&#39;t have to be used.</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="comment">//   GTEST_DISALLOW_ASSIGN_   - disables operator=.</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="comment">//   GTEST_DISALLOW_COPY_AND_ASSIGN_ - disables copy ctor and operator=.</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="comment">//   GTEST_MUST_USE_RESULT_   - declares that a function&#39;s result must be used.</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="comment">//   GTEST_INTENTIONAL_CONST_COND_PUSH_ - start code section where MSVC C4127 is</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="comment">//                                        suppressed (constant conditional).</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="comment">//   GTEST_INTENTIONAL_CONST_COND_POP_  - finish code section where MSVC C4127</span></div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="comment">//                                        is suppressed.</span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="comment">// C++11 feature wrappers:</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="comment">//   testing::internal::move  - portability wrapper for std::move.</span></div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="comment">// Synchronization:</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="comment">//   Mutex, MutexLock, ThreadLocal, GetThreadCount()</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="comment">//                            - synchronization primitives.</span></div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="comment">// Template meta programming:</span></div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;<span class="comment">//   is_pointer     - as in TR1; needed on Symbian and IBM XL C/C++ only.</span></div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="comment">//   IteratorTraits - partial implementation of std::iterator_traits, which</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="comment">//                    is not available in libCstd when compiled with Sun C++.</span></div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="comment">// Smart pointers:</span></div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="comment">//   scoped_ptr     - as in TR2.</span></div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="comment">// Regular expressions:</span></div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="comment">//   RE             - a simple regular expression class using the POSIX</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;<span class="comment">//                    Extended Regular Expression syntax on UNIX-like</span></div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;<span class="comment">//                    platforms, or a reduced regular exception syntax on</span></div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="comment">//                    other platforms, including Windows.</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="comment">// Logging:</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="comment">//   GTEST_LOG_()   - logs messages at the specified severity level.</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="comment">//   LogToStderr()  - directs all log messages to stderr.</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="comment">//   FlushInfoLog() - flushes informational log messages.</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="comment">// Stdout and stderr capturing:</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="comment">//   CaptureStdout()     - starts capturing stdout.</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="comment">//   GetCapturedStdout() - stops capturing stdout and returns the captured</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="comment">//                         string.</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="comment">//   CaptureStderr()     - starts capturing stderr.</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="comment">//   GetCapturedStderr() - stops capturing stderr and returns the captured</span></div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="comment">//                         string.</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="comment">// Integer types:</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="comment">//   TypeWithSize   - maps an integer to a int type.</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="comment">//   Int32, UInt32, Int64, UInt64, TimeInMillis</span></div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="comment">//                  - integers of known sizes.</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="comment">//   BiggestInt     - the biggest signed integer type.</span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="comment">// Command-line utilities:</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="comment">//   GTEST_DECLARE_*()  - declares a flag.</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="comment">//   GTEST_DEFINE_*()   - defines a flag.</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="comment">//   GetInjectableArgvs() - returns the command line as a vector of strings.</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="comment">// Environment variable utilities:</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="comment">//   GetEnv()             - gets the value of an environment variable.</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="comment">//   BoolFromGTestEnv()   - parses a bool environment variable.</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="comment">//   Int32FromGTestEnv()  - parses an Int32 environment variable.</span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="comment">//   StringFromGTestEnv() - parses a string environment variable.</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="preprocessor">#include &lt;ctype.h&gt;</span>   <span class="comment">// for isspace, etc</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="preprocessor">#include &lt;stddef.h&gt;</span>  <span class="comment">// for ptrdiff_t</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="preprocessor">#ifndef _WIN32_WCE</span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># include &lt;sys/types.h&gt;</span></div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="preprocessor"># include &lt;sys/stat.h&gt;</span></div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="preprocessor">#endif  // !_WIN32_WCE</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;<span class="preprocessor">#if defined __APPLE__</span></div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># include &lt;AvailabilityMacros.h&gt;</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="preprocessor"># include &lt;TargetConditionals.h&gt;</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;<span class="preprocessor">#include &quot;gtest/internal/gtest-port-arch.h&quot;</span></div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;<span class="preprocessor">#include &quot;gtest/internal/custom/gtest-port.h&quot;</span></div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="preprocessor">#if !defined(GTEST_DEV_EMAIL_)</span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_DEV_EMAIL_ &quot;googletestframework@@googlegroups.com&quot;</span></div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_FLAG_PREFIX_ &quot;gtest_&quot;</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_FLAG_PREFIX_DASH_ &quot;gtest-&quot;</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_FLAG_PREFIX_UPPER_ &quot;GTEST_&quot;</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_NAME_ &quot;Google Test&quot;</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_PROJECT_URL_ &quot;https://github.com/google/googletest/&quot;</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // !defined(GTEST_DEV_EMAIL_)</span></div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;<span class="preprocessor">#if !defined(GTEST_INIT_GOOGLE_TEST_NAME_)</span></div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_INIT_GOOGLE_TEST_NAME_ &quot;testing::InitGoogleTest&quot;</span></div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // !defined(GTEST_INIT_GOOGLE_TEST_NAME_)</span></div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="comment">// Determines the version of gcc that is used to compile this.</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="preprocessor">#ifdef __GNUC__</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;<span class="preprocessor"></span><span class="comment">// 40302 means version 4.3.2.</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="preprocessor"># define GTEST_GCC_VER_ \</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="preprocessor">    (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__)</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // __GNUC__</span></div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;<span class="comment">// Macros for disabling Microsoft Visual C++ warnings.</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="comment">//   GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800 4385)</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;<span class="comment">//   /* code that triggers warnings C4800 and C4385 */</span></div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;<span class="comment">//   GTEST_DISABLE_MSC_WARNINGS_POP_()</span></div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="preprocessor">#if _MSC_VER &gt;= 1500</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_DISABLE_MSC_WARNINGS_PUSH_(warnings) \</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="preprocessor">    __pragma(warning(push))                        \</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="preprocessor">    __pragma(warning(disable: warnings))</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_DISABLE_MSC_WARNINGS_POP_()          \</span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="preprocessor">    __pragma(warning(pop))</span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;<span class="preprocessor"></span><span class="comment">// Older versions of MSVC don&#39;t have __pragma.</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;<span class="preprocessor"># define GTEST_DISABLE_MSC_WARNINGS_PUSH_(warnings)</span></div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_DISABLE_MSC_WARNINGS_POP_()</span></div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="preprocessor">#ifndef GTEST_LANG_CXX11</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;<span class="preprocessor"></span><span class="comment">// gcc and clang define __GXX_EXPERIMENTAL_CXX0X__ when</span></div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;<span class="comment">// -std={c,gnu}++{0x,11} is passed.  The C++11 standard specifies a</span></div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="comment">// value for __cplusplus, and recent versions of clang, gcc, and</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="comment">// probably other compilers set that too in C++11 mode.</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;<span class="preprocessor"># if __GXX_EXPERIMENTAL_CXX0X__ || __cplusplus &gt;= 201103L</span></div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="preprocessor"></span><span class="comment">// Compiling in at least C++11 mode.</span></div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="preprocessor">#  define GTEST_LANG_CXX11 1</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_LANG_CXX11 0</span></div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;<span class="comment">// Distinct from C++11 language support, some environments don&#39;t provide</span></div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;<span class="comment">// proper C++11 library support. Notably, it&#39;s possible to build in</span></div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;<span class="comment">// C++11 mode when targeting Mac OS X 10.6, which has an old libstdc++</span></div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;<span class="comment">// with no C++11 support.</span></div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;<span class="comment">// libstdc++ has sufficient C++11 support as of GCC 4.6.0, __GLIBCXX__</span></div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;<span class="comment">// 20110325, but maintenance releases in the 4.4 and 4.5 series followed</span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;<span class="comment">// this date, so check for those versions by their date stamps.</span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;<span class="comment">// https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html#abi.versioning</span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;<span class="preprocessor">#if GTEST_LANG_CXX11 &amp;&amp; \</span></div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;<span class="preprocessor">    (!defined(__GLIBCXX__) || ( \</span></div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;<span class="preprocessor">        __GLIBCXX__ &gt;= 20110325ul &amp;&amp;  </span><span class="comment">/* GCC &gt;= 4.6.0 */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;<span class="preprocessor">        </span><span class="comment">/* Blacklist of patch releases of older branches: */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="preprocessor">        __GLIBCXX__ != 20110416ul &amp;&amp;  </span><span class="comment">/* GCC 4.4.6 */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;<span class="preprocessor">        __GLIBCXX__ != 20120313ul &amp;&amp;  </span><span class="comment">/* GCC 4.4.7 */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;<span class="preprocessor">        __GLIBCXX__ != 20110428ul &amp;&amp;  </span><span class="comment">/* GCC 4.5.3 */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;<span class="preprocessor">        __GLIBCXX__ != 20120702ul))   </span><span class="comment">/* GCC 4.5.4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_STDLIB_CXX11 1</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;<span class="comment">// Only use C++11 library features if the library provides them.</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;<span class="preprocessor">#if GTEST_STDLIB_CXX11</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_STD_BEGIN_AND_END_ 1</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_STD_FORWARD_LIST_ 1</span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_STD_FUNCTION_ 1</span></div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_STD_INITIALIZER_LIST_ 1</span></div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_STD_MOVE_ 1</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_STD_SHARED_PTR_ 1</span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_STD_TYPE_TRAITS_ 1</span></div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_STD_UNIQUE_PTR_ 1</span></div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;<span class="comment">// C++11 specifies that &lt;tuple&gt; provides std::tuple.</span></div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;<span class="comment">// Some platforms still might not have it, however.</span></div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;<span class="preprocessor">#if GTEST_LANG_CXX11</span></div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_STD_TUPLE_ 1</span></div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if defined(__clang__)</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;<span class="preprocessor"></span><span class="comment">// Inspired by http://clang.llvm.org/docs/LanguageExtensions.html#__has_include</span></div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;<span class="preprocessor">#  if defined(__has_include) &amp;&amp; !__has_include(&lt;tuple&gt;)</span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   undef GTEST_HAS_STD_TUPLE_</span></div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  endif</span></div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># elif defined(_MSC_VER)</span></div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;<span class="preprocessor"></span><span class="comment">// Inspired by boost/config/stdlib/dinkumware.hpp</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;<span class="preprocessor">#  if defined(_CPPLIB_VER) &amp;&amp; _CPPLIB_VER &lt; 520</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   undef GTEST_HAS_STD_TUPLE_</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  endif</span></div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># elif defined(__GLIBCXX__)</span></div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;<span class="preprocessor"></span><span class="comment">// Inspired by boost/config/stdlib/libstdcpp3.hpp,</span></div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;<span class="comment">// http://gcc.gnu.org/gcc-4.2/changes.html and</span></div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;<span class="comment">// http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt01ch01.html#manual.intro.status.standard.200x</span></div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;<span class="preprocessor">#  if __GNUC__ &lt; 4 || (__GNUC__ == 4 &amp;&amp; __GNUC_MINOR__ &lt; 2)</span></div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   undef GTEST_HAS_STD_TUPLE_</span></div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  endif</span></div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;<span class="comment">// Brings in definitions for functions used in the testing::internal::posix</span></div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;<span class="comment">// namespace (read, write, close, chdir, isatty, stat). We do not currently</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;<span class="comment">// use them on Windows Mobile.</span></div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="preprocessor">#if GTEST_OS_WINDOWS</span></div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if !GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  include &lt;direct.h&gt;</span></div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;<span class="preprocessor">#  include &lt;io.h&gt;</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;<span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="preprocessor"></span><span class="comment">// In order to avoid having to include &lt;windows.h&gt;, use forward declaration</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="comment">// assuming CRITICAL_SECTION is a typedef of _RTL_CRITICAL_SECTION.</span></div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="comment">// This assumption is verified by</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;<span class="comment">// WindowsTypesTest.CRITICAL_SECTIONIs_RTL_CRITICAL_SECTION.</span></div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;<span class="keyword">struct </span>_RTL_CRITICAL_SECTION;</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="preprocessor"></span><span class="comment">// This assumes that non-Windows OSes provide unistd.h. For OSes where this</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="comment">// is not the case, we need to include headers that provide the functions</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="comment">// mentioned above.</span></div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;<span class="preprocessor"># include &lt;unistd.h&gt;</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;<span class="preprocessor"># include &lt;strings.h&gt;</span></div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;<span class="preprocessor">#endif  // GTEST_OS_WINDOWS</span></div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;<span class="preprocessor">#if GTEST_OS_LINUX_ANDROID</span></div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;<span class="preprocessor"></span><span class="comment">// Used to define __ANDROID_API__ matching the target NDK API level.</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;<span class="preprocessor">#  include &lt;android/api-level.h&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;<span class="comment">// Defines this to true iff Google Test can use POSIX regular expressions.</span></div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_POSIX_RE</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if GTEST_OS_LINUX_ANDROID</span></div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;<span class="preprocessor"></span><span class="comment">// On Android, &lt;regex.h&gt; is only available starting with Gingerbread.</span></div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;<span class="preprocessor">#  define GTEST_HAS_POSIX_RE (__ANDROID_API__ &gt;= 9)</span></div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS)</span></div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;<span class="preprocessor">#if GTEST_USES_PCRE</span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;<span class="preprocessor"></span><span class="comment">// The appropriate headers have already been included.</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="preprocessor">#elif GTEST_HAS_POSIX_RE</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;<span class="comment">// On some platforms, &lt;regex.h&gt; needs someone to define size_t, and</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;<span class="comment">// won&#39;t compile otherwise.  We can #include it here as we already</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="comment">// included &lt;stdlib.h&gt;, which is guaranteed to define size_t through</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="comment">// &lt;stddef.h&gt;.</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="preprocessor"># include &lt;regex.h&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;<span class="preprocessor"># define GTEST_USES_POSIX_RE 1</span></div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;<span class="preprocessor">#elif GTEST_OS_WINDOWS</span></div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;<span class="comment">// &lt;regex.h&gt; is not available on Windows.  Use our own simple regex</span></div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;<span class="comment">// implementation instead.</span></div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;<span class="preprocessor"># define GTEST_USES_SIMPLE_RE 1</span></div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;<span class="comment">// &lt;regex.h&gt; may not be available on this platform.  Use our own</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;<span class="comment">// simple regex implementation instead.</span></div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;<span class="preprocessor"># define GTEST_USES_SIMPLE_RE 1</span></div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;<span class="preprocessor">#endif  // GTEST_USES_PCRE</span></div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_EXCEPTIONS</span></div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us whether exceptions are enabled, so we need</span></div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;<span class="comment">// to figure it out.</span></div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;<span class="preprocessor"># if defined(_MSC_VER) || defined(__BORLANDC__)</span></div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="preprocessor"></span><span class="comment">// MSVC&#39;s and C++Builder&#39;s implementations of the STL use the _HAS_EXCEPTIONS</span></div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;<span class="comment">// macro to enable exceptions, so we&#39;ll do the same.</span></div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="comment">// Assumes that exceptions are enabled by default.</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="preprocessor">#  ifndef _HAS_EXCEPTIONS</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   define _HAS_EXCEPTIONS 1</span></div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  endif  // _HAS_EXCEPTIONS</span></div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS</span></div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># elif defined(__clang__)</span></div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;<span class="preprocessor"></span><span class="comment">// clang defines __EXCEPTIONS iff exceptions are enabled before clang 220714,</span></div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;<span class="comment">// but iff cleanups are enabled after that. In Obj-C++ files, there can be</span></div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;<span class="comment">// cleanups for ObjC exceptions which also need cleanups, even if C++ exceptions</span></div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;<span class="comment">// are disabled. clang has __has_feature(cxx_exceptions) which checks for C++</span></div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;<span class="comment">// exceptions starting at clang r206352, but which checked for cleanups prior to</span></div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;<span class="comment">// that. To reliably check for C++ exception availability with clang, check for</span></div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;<span class="comment">// __EXCEPTIONS &amp;&amp; __has_feature(cxx_exceptions).</span></div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;<span class="preprocessor">#  define GTEST_HAS_EXCEPTIONS (__EXCEPTIONS &amp;&amp; __has_feature(cxx_exceptions))</span></div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># elif defined(__GNUC__) &amp;&amp; __EXCEPTIONS</span></div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="preprocessor"></span><span class="comment">// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled.</span></div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;<span class="preprocessor">#  define GTEST_HAS_EXCEPTIONS 1</span></div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># elif defined(__SUNPRO_CC)</span></div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;<span class="preprocessor"></span><span class="comment">// Sun Pro CC supports exceptions.  However, there is no compile-time way of</span></div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="comment">// detecting whether they are enabled or not.  Therefore, we assume that</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;<span class="comment">// they are enabled unless the user tells us otherwise.</span></div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="preprocessor">#  define GTEST_HAS_EXCEPTIONS 1</span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># elif defined(__IBMCPP__) &amp;&amp; __EXCEPTIONS</span></div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;<span class="preprocessor"></span><span class="comment">// xlC defines __EXCEPTIONS to 1 iff exceptions are enabled.</span></div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;<span class="preprocessor">#  define GTEST_HAS_EXCEPTIONS 1</span></div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># elif defined(__HP_aCC)</span></div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;<span class="preprocessor"></span><span class="comment">// Exception handling is in effect by default in HP aCC compiler. It has to</span></div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;<span class="comment">// be turned of by +noeh compiler option if desired.</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;<span class="preprocessor">#  define GTEST_HAS_EXCEPTIONS 1</span></div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;<span class="preprocessor"></span><span class="comment">// For other compilers, we assume exceptions are disabled to be</span></div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;<span class="comment">// conservative.</span></div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;<span class="preprocessor">#  define GTEST_HAS_EXCEPTIONS 0</span></div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif  // defined(_MSC_VER) || defined(__BORLANDC__)</span></div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // GTEST_HAS_EXCEPTIONS</span></div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;<span class="preprocessor">#if !defined(GTEST_HAS_STD_STRING)</span></div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;<span class="preprocessor"></span><span class="comment">// Even though we don&#39;t use this macro any longer, we keep it in case</span></div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;<span class="comment">// some clients still depend on it.</span></div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;<span class="preprocessor"># define GTEST_HAS_STD_STRING 1</span></div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#elif !GTEST_HAS_STD_STRING</span></div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;<span class="preprocessor"></span><span class="comment">// The user told us that ::std::string isn&#39;t available.</span></div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;<span class="preprocessor"># error &quot;Google Test cannot be used where ::std::string isn&#39;t available.&quot;</span></div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // !defined(GTEST_HAS_STD_STRING)</span></div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_GLOBAL_STRING</span></div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us whether ::string is available, so we need</span></div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;<span class="comment">// to figure it out.</span></div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;<span class="preprocessor"># define GTEST_HAS_GLOBAL_STRING 0</span></div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_GLOBAL_STRING</span></div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_STD_WSTRING</span></div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us whether ::std::wstring is available, so we need</span></div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;<span class="comment">// to figure it out.</span></div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="comment">// TODO(wan@google.com): uses autoconf to detect whether ::std::wstring</span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="comment">//   is available.</span></div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;</div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;<span class="comment">// Cygwin 1.7 and below doesn&#39;t support ::std::wstring.</span></div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;<span class="comment">// Solaris&#39; libc++ doesn&#39;t support it either.  Android has</span></div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;<span class="comment">// no support for it at least as recent as Froyo (2.2).</span></div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;<span class="preprocessor"># define GTEST_HAS_STD_WSTRING \</span></div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;<span class="preprocessor">    (!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS))</span></div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_STD_WSTRING</span></div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_GLOBAL_WSTRING</span></div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us whether ::wstring is available, so we need</span></div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;<span class="comment">// to figure it out.</span></div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;<span class="preprocessor"># define GTEST_HAS_GLOBAL_WSTRING \</span></div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;<span class="preprocessor">    (GTEST_HAS_STD_WSTRING &amp;&amp; GTEST_HAS_GLOBAL_STRING)</span></div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // GTEST_HAS_GLOBAL_WSTRING</span></div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;<span class="comment">// Determines whether RTTI is available.</span></div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_RTTI</span></div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us whether RTTI is enabled, so we need to</span></div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;<span class="comment">// figure it out.</span></div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;</div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;<span class="preprocessor"># ifdef _MSC_VER</span></div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;<span class="preprocessor">#  ifdef _CPPRTTI  // MSVC defines this macro iff RTTI is enabled.</span></div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   define GTEST_HAS_RTTI 1</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  else</span></div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   define GTEST_HAS_RTTI 0</span></div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  endif</span></div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;<span class="comment">// Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled.</span></div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;<span class="preprocessor"># elif defined(__GNUC__) &amp;&amp; (GTEST_GCC_VER_ &gt;= 40302)</span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;<span class="preprocessor">#  ifdef __GXX_RTTI</span></div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;<span class="preprocessor"></span><span class="comment">// When building against STLport with the Android NDK and with</span></div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;<span class="comment">// -frtti -fno-exceptions, the build fails at link time with undefined</span></div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;<span class="comment">// references to __cxa_bad_typeid. Note sure if STL or toolchain bug,</span></div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;<span class="comment">// so disable RTTI when detected.</span></div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;<span class="preprocessor">#   if GTEST_OS_LINUX_ANDROID &amp;&amp; defined(_STLPORT_MAJOR) &amp;&amp; \</span></div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;<span class="preprocessor">       !defined(__EXCEPTIONS)</span></div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#    define GTEST_HAS_RTTI 0</span></div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   else</span></div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#    define GTEST_HAS_RTTI 1</span></div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   endif  // GTEST_OS_LINUX_ANDROID &amp;&amp; __STLPORT_MAJOR &amp;&amp; !__EXCEPTIONS</span></div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  else</span></div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   define GTEST_HAS_RTTI 0</span></div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  endif  // __GXX_RTTI</span></div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;<span class="comment">// Clang defines __GXX_RTTI starting with version 3.0, but its manual recommends</span></div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;<span class="comment">// using has_feature instead. has_feature(cxx_rtti) is supported since 2.7, the</span></div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;<span class="comment">// first version with C++ support.</span></div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;<span class="preprocessor"># elif defined(__clang__)</span></div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="preprocessor">#  define GTEST_HAS_RTTI __has_feature(cxx_rtti)</span></div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;<span class="comment">// Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if</span></div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;<span class="comment">// both the typeid and dynamic_cast features are present.</span></div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;<span class="preprocessor"># elif defined(__IBMCPP__) &amp;&amp; (__IBMCPP__ &gt;= 900)</span></div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;<span class="preprocessor">#  ifdef __RTTI_ALL__</span></div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   define GTEST_HAS_RTTI 1</span></div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  else</span></div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   define GTEST_HAS_RTTI 0</span></div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  endif</span></div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;<span class="preprocessor"># else</span></div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;<span class="comment">// For all other compilers, we assume RTTI is enabled.</span></div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;<span class="preprocessor">#  define GTEST_HAS_RTTI 1</span></div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;<span class="preprocessor"># endif  // _MSC_VER</span></div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_RTTI</span></div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;<span class="comment">// It&#39;s this header&#39;s responsibility to #include &lt;typeinfo&gt; when RTTI</span></div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;<span class="comment">// is enabled.</span></div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;<span class="preprocessor">#if GTEST_HAS_RTTI</span></div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># include &lt;typeinfo&gt;</span></div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;<span class="comment">// Determines whether Google Test can use the pthreads library.</span></div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_PTHREAD</span></div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us explicitly, so we make reasonable assumptions about</span></div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;<span class="comment">// which platforms have pthreads support.</span></div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;<span class="comment">// To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0</span></div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;<span class="comment">// to your compiler flags.</span></div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;<span class="preprocessor"># define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX \</span></div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;<span class="preprocessor">    || GTEST_OS_QNX || GTEST_OS_FREEBSD || GTEST_OS_NACL)</span></div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // GTEST_HAS_PTHREAD</span></div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;<span class="preprocessor">#if GTEST_HAS_PTHREAD</span></div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;<span class="preprocessor"></span><span class="comment">// gtest-port.h guarantees to #include &lt;pthread.h&gt; when GTEST_HAS_PTHREAD is</span></div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;<span class="comment">// true.</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;<span class="preprocessor"># include &lt;pthread.h&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;</div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;<span class="comment">// For timespec and nanosleep, used below.</span></div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;<span class="preprocessor"># include &lt;time.h&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;<span class="comment">// Determines if hash_map/hash_set are available.</span></div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;<span class="comment">// Only used for testing against those containers.</span></div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;<span class="preprocessor">#if !defined(GTEST_HAS_HASH_MAP_)</span></div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if _MSC_VER</span></div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_HAS_HASH_MAP_ 1  // Indicates that hash_map is available.</span></div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_HAS_HASH_SET_ 1  // Indicates that hash_set is available.</span></div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif  // _MSC_VER</span></div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // !defined(GTEST_HAS_HASH_MAP_)</span></div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;<span class="comment">// Determines whether Google Test can use tr1/tuple.  You can define</span></div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;<span class="comment">// this macro to 0 to prevent Google Test from using tuple (any</span></div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;<span class="comment">// feature depending on tuple with be disabled in this mode).</span></div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_TR1_TUPLE</span></div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if GTEST_OS_LINUX_ANDROID &amp;&amp; defined(_STLPORT_MAJOR)</span></div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;<span class="preprocessor"></span><span class="comment">// STLport, provided with the Android NDK, has neither &lt;tr1/tuple&gt; or &lt;tuple&gt;.</span></div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;<span class="preprocessor">#  define GTEST_HAS_TR1_TUPLE 0</span></div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us not to do it, so we assume it&#39;s OK.</span></div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;<span class="preprocessor">#  define GTEST_HAS_TR1_TUPLE 1</span></div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // GTEST_HAS_TR1_TUPLE</span></div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;<span class="comment">// Determines whether Google Test&#39;s own tr1 tuple implementation</span></div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;<span class="comment">// should be used.</span></div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;<span class="preprocessor">#ifndef GTEST_USE_OWN_TR1_TUPLE</span></div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us, so we need to figure it out.</span></div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;<span class="comment">// We use our own TR1 tuple if we aren&#39;t sure the user has an</span></div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;<span class="comment">// implementation of it already.  At this time, libstdc++ 4.0.0+ and</span></div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;<span class="comment">// MSVC 2010 are the only mainstream standard libraries that come</span></div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;<span class="comment">// with a TR1 tuple implementation.  NVIDIA&#39;s CUDA NVCC compiler</span></div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;<span class="comment">// pretends to be GCC by defining __GNUC__ and friends, but cannot</span></div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;<span class="comment">// compile GCC&#39;s tuple implementation.  MSVC 2008 (9.0) provides TR1</span></div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;<span class="comment">// tuple in a 323 MB Feature Pack download, which we cannot assume the</span></div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;<span class="comment">// user has.  QNX&#39;s QCC compiler is a modified GCC but it doesn&#39;t</span></div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;<span class="comment">// support TR1 tuple.  libc++ only provides std::tuple, in C++11 mode,</span></div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;<span class="comment">// and it can be used with some compilers that define __GNUC__.</span></div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;<span class="preprocessor"># if (defined(__GNUC__) &amp;&amp; !defined(__CUDACC__) &amp;&amp; (GTEST_GCC_VER_ &gt;= 40000) \</span></div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;<span class="preprocessor">      &amp;&amp; !GTEST_OS_QNX &amp;&amp; !defined(_LIBCPP_VERSION)) || _MSC_VER &gt;= 1600</span></div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_ENV_HAS_TR1_TUPLE_ 1</span></div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;<span class="comment">// C++11 specifies that &lt;tuple&gt; provides std::tuple. Use that if gtest is used</span></div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;<span class="comment">// in C++11 mode and libstdc++ isn&#39;t very old (binaries targeting OS X 10.6</span></div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;<span class="comment">// can build with clang but need to use gcc4.2&#39;s libstdc++).</span></div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;<span class="preprocessor"># if GTEST_LANG_CXX11 &amp;&amp; (!defined(__GLIBCXX__) || __GLIBCXX__ &gt; 20110325)</span></div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_ENV_HAS_STD_TUPLE_ 1</span></div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;<span class="preprocessor"># if GTEST_ENV_HAS_TR1_TUPLE_ || GTEST_ENV_HAS_STD_TUPLE_</span></div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_USE_OWN_TR1_TUPLE 0</span></div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_USE_OWN_TR1_TUPLE 1</span></div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;<span class="preprocessor">#endif  // GTEST_USE_OWN_TR1_TUPLE</span></div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;<span class="comment">// To avoid conditional compilation everywhere, we make it</span></div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;<span class="comment">// gtest-port.h&#39;s responsibility to #include the header implementing</span></div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;<span class="comment">// tuple.</span></div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;<span class="preprocessor">#if GTEST_HAS_STD_TUPLE_</span></div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># include &lt;tuple&gt;</span>  <span class="comment">// IWYU pragma: export</span></div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;<span class="preprocessor"># define GTEST_TUPLE_NAMESPACE_ ::std</span></div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // GTEST_HAS_STD_TUPLE_</span></div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;<span class="comment">// We include tr1::tuple even if std::tuple is available to define printers for</span></div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;<span class="comment">// them.</span></div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;<span class="preprocessor">#if GTEST_HAS_TR1_TUPLE</span></div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># ifndef GTEST_TUPLE_NAMESPACE_</span></div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_TUPLE_NAMESPACE_ ::std::tr1</span></div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif  // GTEST_TUPLE_NAMESPACE_</span></div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;<span class="preprocessor"># if GTEST_USE_OWN_TR1_TUPLE</span></div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  include &quot;gtest/internal/gtest-tuple.h&quot;</span>  <span class="comment">// IWYU pragma: export  // NOLINT</span></div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;<span class="preprocessor"># elif GTEST_ENV_HAS_STD_TUPLE_</span></div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  include &lt;tuple&gt;</span></div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;<span class="comment">// C++11 puts its tuple into the ::std namespace rather than</span></div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;<span class="comment">// ::std::tr1.  gtest expects tuple to live in ::std::tr1, so put it there.</span></div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;<span class="comment">// This causes undefined behavior, but supported compilers react in</span></div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;<span class="comment">// the way we intend.</span></div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;<span class="keyword">namespace </span>std {</div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;<span class="keyword">namespace </span>tr1 {</div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;using ::std::get;</div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;using ::std::make_tuple;</div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;using ::std::tuple;</div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;using ::std::tuple_element;</div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;using ::std::tuple_size;</div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;}</div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;}</div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;</div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;<span class="preprocessor"># elif GTEST_OS_SYMBIAN</span></div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;<span class="comment">// On Symbian, BOOST_HAS_TR1_TUPLE causes Boost&#39;s TR1 tuple library to</span></div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;<span class="comment">// use STLport&#39;s tuple implementation, which unfortunately doesn&#39;t</span></div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;<span class="comment">// work as the copy of STLport distributed with Symbian is incomplete.</span></div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;<span class="comment">// By making sure BOOST_HAS_TR1_TUPLE is undefined, we force Boost to</span></div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;<span class="comment">// use its own tuple implementation.</span></div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;<span class="preprocessor">#  ifdef BOOST_HAS_TR1_TUPLE</span></div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   undef BOOST_HAS_TR1_TUPLE</span></div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  endif  // BOOST_HAS_TR1_TUPLE</span></div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;<span class="comment">// This prevents &lt;boost/tr1/detail/config.hpp&gt;, which defines</span></div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;<span class="comment">// BOOST_HAS_TR1_TUPLE, from being #included by Boost&#39;s &lt;tuple&gt;.</span></div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;<span class="preprocessor">#  define BOOST_TR1_DETAIL_CONFIG_HPP_INCLUDED</span></div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  include &lt;tuple&gt;</span>  <span class="comment">// IWYU pragma: export  // NOLINT</span></div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;</div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;<span class="preprocessor"># elif defined(__GNUC__) &amp;&amp; (GTEST_GCC_VER_ &gt;= 40000)</span></div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;<span class="preprocessor"></span><span class="comment">// GCC 4.0+ implements tr1/tuple in the &lt;tr1/tuple&gt; header.  This does</span></div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;<span class="comment">// not conform to the TR1 spec, which requires the header to be &lt;tuple&gt;.</span></div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;</div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;<span class="preprocessor">#  if !GTEST_HAS_RTTI &amp;&amp; GTEST_GCC_VER_ &lt; 40302</span></div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;<span class="preprocessor"></span><span class="comment">// Until version 4.3.2, gcc has a bug that causes &lt;tr1/functional&gt;,</span></div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;<span class="comment">// which is #included by &lt;tr1/tuple&gt;, to not compile when RTTI is</span></div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;<span class="comment">// disabled.  _TR1_FUNCTIONAL is the header guard for</span></div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;<span class="comment">// &lt;tr1/functional&gt;.  Hence the following #define is a hack to prevent</span></div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;<span class="comment">// &lt;tr1/functional&gt; from being included.</span></div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;<span class="preprocessor">#   define _TR1_FUNCTIONAL 1</span></div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   include &lt;tr1/tuple&gt;</span></div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;<span class="preprocessor">#   undef _TR1_FUNCTIONAL  // Allows the user to #include</span></div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;<span class="preprocessor"></span>                        <span class="comment">// &lt;tr1/functional&gt; if he chooses to.</span></div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;<span class="preprocessor">#  else</span></div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   include &lt;tr1/tuple&gt;</span>  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;<span class="preprocessor">#  endif  // !GTEST_HAS_RTTI &amp;&amp; GTEST_GCC_VER_ &lt; 40302</span></div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;<span class="preprocessor"># else</span></div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;<span class="preprocessor"></span><span class="comment">// If the compiler is not GCC 4.0+, we assume the user is using a</span></div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;<span class="comment">// spec-conforming TR1 implementation.</span></div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;<span class="preprocessor">#  include &lt;tuple&gt;</span>  <span class="comment">// IWYU pragma: export  // NOLINT</span></div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;<span class="preprocessor"># endif  // GTEST_USE_OWN_TR1_TUPLE</span></div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_TR1_TUPLE</span></div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;<span class="comment">// Determines whether clone(2) is supported.</span></div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;<span class="comment">// Usually it will only be available on Linux, excluding</span></div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;<span class="comment">// Linux on the Itanium architecture.</span></div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;<span class="comment">// Also see http://linux.die.net/man/2/clone.</span></div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_CLONE</span></div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us, so we need to figure it out.</span></div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;<span class="preprocessor"># if GTEST_OS_LINUX &amp;&amp; !defined(__ia64__)</span></div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  if GTEST_OS_LINUX_ANDROID</span></div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;<span class="preprocessor"></span><span class="comment">// On Android, clone() is only available on ARM starting with Gingerbread.</span></div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;<span class="preprocessor">#    if defined(__arm__) &amp;&amp; __ANDROID_API__ &gt;= 9</span></div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#     define GTEST_HAS_CLONE 1</span></div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#    else</span></div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#     define GTEST_HAS_CLONE 0</span></div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#    endif</span></div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  else</span></div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   define GTEST_HAS_CLONE 1</span></div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  endif</span></div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_HAS_CLONE 0</span></div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif  // GTEST_OS_LINUX &amp;&amp; !defined(__ia64__)</span></div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_CLONE</span></div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;<span class="comment">// Determines whether to support stream redirection. This is used to test</span></div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;<span class="comment">// output correctness and to implement death tests.</span></div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_STREAM_REDIRECTION</span></div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;<span class="preprocessor"></span><span class="comment">// By default, we assume that stream redirection is supported on all</span></div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;<span class="comment">// platforms except known mobile ones.</span></div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;<span class="preprocessor"># if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || \</span></div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;<span class="preprocessor">    GTEST_OS_WINDOWS_PHONE || GTEST_OS_WINDOWS_RT</span></div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_HAS_STREAM_REDIRECTION 0</span></div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_HAS_STREAM_REDIRECTION 1</span></div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif  // !GTEST_OS_WINDOWS_MOBILE &amp;&amp; !GTEST_OS_SYMBIAN</span></div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // GTEST_HAS_STREAM_REDIRECTION</span></div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;<span class="comment">// Determines whether to support death tests.</span></div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;<span class="comment">// Google Test does not support death tests for VC 7.1 and earlier as</span></div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;<span class="comment">// abort() in a VC 7.1 application compiled as GUI in debug config</span></div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;<span class="comment">// pops up a dialog window that cannot be suppressed programmatically.</span></div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;<span class="preprocessor">#if (GTEST_OS_LINUX || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \</span></div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;<span class="preprocessor">     (GTEST_OS_MAC &amp;&amp; !GTEST_OS_IOS) || \</span></div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;<span class="preprocessor">     (GTEST_OS_WINDOWS_DESKTOP &amp;&amp; _MSC_VER &gt;= 1400) || \</span></div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;<span class="preprocessor">     GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX || \</span></div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;<span class="preprocessor">     GTEST_OS_OPENBSD || GTEST_OS_QNX || GTEST_OS_FREEBSD)</span></div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_DEATH_TEST 1</span></div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;<span class="comment">// We don&#39;t support MSVC 7.1 with exceptions disabled now.  Therefore</span></div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;<span class="comment">// all the compilers we care about are adequate for supporting</span></div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;<span class="comment">// value-parameterized tests.</span></div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;<span class="preprocessor">#define GTEST_HAS_PARAM_TEST 1</span></div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;<span class="comment">// Determines whether to support type-driven tests.</span></div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;</div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;<span class="comment">// Typed tests need &lt;typeinfo&gt; and variadic macros, which GCC, VC++ 8.0,</span></div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;<span class="comment">// Sun Pro CC, IBM Visual Age, and HP aCC support.</span></div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;<span class="preprocessor">#if defined(__GNUC__) || (_MSC_VER &gt;= 1400) || defined(__SUNPRO_CC) || \</span></div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;<span class="preprocessor">    defined(__IBMCPP__) || defined(__HP_aCC)</span></div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_TYPED_TEST 1</span></div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_TYPED_TEST_P 1</span></div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;<span class="comment">// Determines whether to support Combine(). This only makes sense when</span></div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;<span class="comment">// value-parameterized tests are enabled.  The implementation doesn&#39;t</span></div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;<span class="comment">// work on Sun Studio since it doesn&#39;t understand templated conversion</span></div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;<span class="comment">// operators.</span></div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;<span class="preprocessor">#if GTEST_HAS_PARAM_TEST &amp;&amp; GTEST_HAS_TR1_TUPLE &amp;&amp; !defined(__SUNPRO_CC)</span></div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_COMBINE 1</span></div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;<span class="comment">// Determines whether the system compiler uses UTF-16 for encoding wide strings.</span></div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;<span class="preprocessor">#define GTEST_WIDE_STRING_USES_UTF16_ \</span></div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;<span class="preprocessor">    (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN || GTEST_OS_AIX)</span></div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;<span class="comment">// Determines whether test results can be streamed to a socket.</span></div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;<span class="preprocessor">#if GTEST_OS_LINUX</span></div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_CAN_STREAM_RESULTS_ 1</span></div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;<span class="comment">// Defines some utility macros.</span></div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;</div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;<span class="comment">// The GNU compiler emits a warning if nested &quot;if&quot; statements are followed by</span></div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;<span class="comment">// an &quot;else&quot; statement and braces are not used to explicitly disambiguate the</span></div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;<span class="comment">// &quot;else&quot; binding.  This leads to problems with code like:</span></div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;<span class="comment">//   if (gate)</span></div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;<span class="comment">//     ASSERT_*(condition) &lt;&lt; &quot;Some message&quot;;</span></div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;<span class="comment">// The &quot;switch (0) case 0:&quot; idiom is used to suppress this.</span></div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;<span class="preprocessor">#ifdef __INTEL_COMPILER</span></div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_AMBIGUOUS_ELSE_BLOCKER_</span></div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: default:  // NOLINT</span></div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;<span class="comment">// Use this annotation at the end of a struct/class definition to</span></div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;<span class="comment">// prevent the compiler from optimizing away instances that are never</span></div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;<span class="comment">// used.  This is useful when all interesting logic happens inside the</span></div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;<span class="comment">// c&#39;tor and / or d&#39;tor.  Example:</span></div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;<span class="comment">//   struct Foo {</span></div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;<span class="comment">//     Foo() { ... }</span></div>
<div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;<span class="comment">//   } GTEST_ATTRIBUTE_UNUSED_;</span></div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;<span class="comment">// Also use it after a variable or parameter declaration to tell the</span></div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;<span class="comment">// compiler the variable/parameter does not have to be used.</span></div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;<span class="preprocessor">#if defined(__GNUC__) &amp;&amp; !defined(COMPILER_ICC)</span></div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused))</span></div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#elif defined(__clang__)</span></div>
<div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if __has_attribute(unused)</span></div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused))</span></div>
<div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#ifndef GTEST_ATTRIBUTE_UNUSED_</span></div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_ATTRIBUTE_UNUSED_</span></div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;<span class="comment">// A macro to disallow operator=</span></div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;<span class="comment">// This should be used in the private: declarations for a class.</span></div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;<span class="preprocessor">#define GTEST_DISALLOW_ASSIGN_(type)\</span></div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;<span class="preprocessor">  void operator=(type const &amp;)</span></div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;<span class="comment">// A macro to disallow copy constructor and operator=</span></div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;<span class="comment">// This should be used in the private: declarations for a class.</span></div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;<span class="preprocessor">#define GTEST_DISALLOW_COPY_AND_ASSIGN_(type)\</span></div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;<span class="preprocessor">  type(type const &amp;);\</span></div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;<span class="preprocessor">  GTEST_DISALLOW_ASSIGN_(type)</span></div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;<span class="comment">// Tell the compiler to warn about unused return values for functions declared</span></div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;<span class="comment">// with this macro.  The macro should be used on function declarations</span></div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;<span class="comment">// following the argument list:</span></div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;<span class="comment">//   Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_;</span></div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;<span class="preprocessor">#if defined(__GNUC__) &amp;&amp; (GTEST_GCC_VER_ &gt;= 30400) &amp;&amp; !defined(COMPILER_ICC)</span></div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_MUST_USE_RESULT_ __attribute__ ((warn_unused_result))</span></div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_MUST_USE_RESULT_</span></div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // __GNUC__ &amp;&amp; (GTEST_GCC_VER_ &gt;= 30400) &amp;&amp; !COMPILER_ICC</span></div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;<span class="comment">// MS C++ compiler emits warning when a conditional expression is compile time</span></div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;<span class="comment">// constant. In some contexts this warning is false positive and needs to be</span></div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;<span class="comment">// suppressed. Use the following two macros in such cases:</span></div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;<span class="comment">// GTEST_INTENTIONAL_CONST_COND_PUSH_()</span></div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;<span class="comment">// while (true) {</span></div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;<span class="comment">// GTEST_INTENTIONAL_CONST_COND_POP_()</span></div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;<span class="comment">// }</span></div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;<span class="preprocessor"># define GTEST_INTENTIONAL_CONST_COND_PUSH_() \</span></div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;<span class="preprocessor">    GTEST_DISABLE_MSC_WARNINGS_PUSH_(4127)</span></div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_INTENTIONAL_CONST_COND_POP_() \</span></div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;<span class="preprocessor">    GTEST_DISABLE_MSC_WARNINGS_POP_()</span></div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;<span class="comment">// Determine whether the compiler supports Microsoft&#39;s Structured Exception</span></div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;<span class="comment">// Handling.  This is supported by several Windows compilers but generally</span></div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;<span class="comment">// does not exist on any other system.</span></div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;<span class="preprocessor">#ifndef GTEST_HAS_SEH</span></div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;<span class="preprocessor"></span><span class="comment">// The user didn&#39;t tell us, so we need to figure it out.</span></div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;</div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;<span class="preprocessor"># if defined(_MSC_VER) || defined(__BORLANDC__)</span></div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;<span class="preprocessor"></span><span class="comment">// These two compilers are known to support SEH.</span></div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;<span class="preprocessor">#  define GTEST_HAS_SEH 1</span></div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;<span class="preprocessor"></span><span class="comment">// Assume no SEH.</span></div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;<span class="preprocessor">#  define GTEST_HAS_SEH 0</span></div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;<span class="preprocessor">#define GTEST_IS_THREADSAFE \</span></div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;<span class="preprocessor">    (GTEST_HAS_MUTEX_AND_THREAD_LOCAL_ \</span></div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;<span class="preprocessor">     || (GTEST_OS_WINDOWS &amp;&amp; !GTEST_OS_WINDOWS_PHONE &amp;&amp; !GTEST_OS_WINDOWS_RT) \</span></div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;<span class="preprocessor">     || GTEST_HAS_PTHREAD)</span></div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_SEH</span></div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;<span class="preprocessor">#ifdef _MSC_VER</span></div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if GTEST_LINKED_AS_SHARED_LIBRARY</span></div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_API_ __declspec(dllimport)</span></div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># elif GTEST_CREATE_SHARED_LIBRARY</span></div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_API_ __declspec(dllexport)</span></div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#elif __GNUC__ &gt;= 4 || defined(__clang__)</span></div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_API_ __attribute__((visibility (&quot;default&quot;)))</span></div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif // _MSC_VER</span></div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;<span class="preprocessor">#ifndef GTEST_API_</span></div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_API_</span></div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;<span class="preprocessor">#ifdef __GNUC__</span></div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;<span class="preprocessor"></span><span class="comment">// Ask the compiler to never inline a given function.</span></div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;<span class="preprocessor"># define GTEST_NO_INLINE_ __attribute__((noinline))</span></div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_NO_INLINE_</span></div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;<span class="comment">// _LIBCPP_VERSION is defined by the libc++ library from the LLVM project.</span></div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;<span class="preprocessor">#if defined(__GLIBCXX__) || defined(_LIBCPP_VERSION)</span></div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_CXXABI_H_ 1</span></div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_CXXABI_H_ 0</span></div>
<div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;<span class="comment">// A function level attribute to disable checking for use of uninitialized</span></div>
<div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;<span class="comment">// memory when built with MemorySanitizer.</span></div>
<div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;<span class="preprocessor">#if defined(__clang__)</span></div>
<div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if __has_feature(memory_sanitizer)</span></div>
<div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ \</span></div>
<div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160;<span class="preprocessor">       __attribute__((no_sanitize_memory))</span></div>
<div class="line"><a name="l00957"></a><span class="lineno">  957</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_</span></div>
<div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif  // __has_feature(memory_sanitizer)</span></div>
<div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_</span></div>
<div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // __clang__</span></div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;<span class="comment">// A function level attribute to disable AddressSanitizer instrumentation.</span></div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;<span class="preprocessor">#if defined(__clang__)</span></div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if __has_feature(address_sanitizer)</span></div>
<div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ \</span></div>
<div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;<span class="preprocessor">       __attribute__((no_sanitize_address))</span></div>
<div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_</span></div>
<div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif  // __has_feature(address_sanitizer)</span></div>
<div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_</span></div>
<div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // __clang__</span></div>
<div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;<span class="comment">// A function level attribute to disable ThreadSanitizer instrumentation.</span></div>
<div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;<span class="preprocessor">#if defined(__clang__)</span></div>
<div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if __has_feature(thread_sanitizer)</span></div>
<div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ \</span></div>
<div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;<span class="preprocessor">       __attribute__((no_sanitize_thread))</span></div>
<div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># else</span></div>
<div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  define GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_</span></div>
<div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># endif  // __has_feature(thread_sanitizer)</span></div>
<div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_</span></div>
<div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // __clang__</span></div>
<div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160;<span class="keyword">namespace </span>testing {</div>
<div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;</div>
<div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;<span class="keyword">class </span>Message;</div>
<div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;</div>
<div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;<span class="preprocessor">#if defined(GTEST_TUPLE_NAMESPACE_)</span></div>
<div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;<span class="preprocessor"></span><span class="comment">// Import tuple and friends into the ::testing namespace.</span></div>
<div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;<span class="comment">// It is part of our interface, having them in ::testing allows us to change</span></div>
<div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;<span class="comment">// their types as needed.</span></div>
<div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;<span class="keyword">using</span> GTEST_TUPLE_NAMESPACE_::get;</div>
<div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;<span class="keyword">using</span> GTEST_TUPLE_NAMESPACE_::make_tuple;</div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;<span class="keyword">using</span> GTEST_TUPLE_NAMESPACE_::tuple;</div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;<span class="keyword">using</span> GTEST_TUPLE_NAMESPACE_::tuple_size;</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;<span class="keyword">using</span> GTEST_TUPLE_NAMESPACE_::tuple_element;</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;<span class="preprocessor">#endif  // defined(GTEST_TUPLE_NAMESPACE_)</span></div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;<span class="comment">// A secret type that Google Test users don&#39;t know about.  It has no</span></div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;<span class="comment">// definition on purpose.  Therefore it&#39;s impossible to create a</span></div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;<span class="comment">// Secret object, which is what we want.</span></div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;<span class="keyword">class </span>Secret;</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;<span class="comment">// The GTEST_COMPILE_ASSERT_ macro can be used to verify that a compile time</span></div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;<span class="comment">// expression is true. For example, you could use it to verify the</span></div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;<span class="comment">// size of a static array:</span></div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;<span class="comment">//   GTEST_COMPILE_ASSERT_(GTEST_ARRAY_SIZE_(names) == NUM_NAMES,</span></div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;<span class="comment">//                         names_incorrect_size);</span></div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;<span class="comment">// or to make sure a struct is smaller than a certain size:</span></div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;<span class="comment">//   GTEST_COMPILE_ASSERT_(sizeof(foo) &lt; 128, foo_too_large);</span></div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;<span class="comment">// The second argument to the macro is the name of the variable. If</span></div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;<span class="comment">// the expression is false, most compilers will issue a warning/error</span></div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;<span class="comment">// containing the name of the variable.</span></div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160;</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;<span class="preprocessor">#if GTEST_LANG_CXX11</span></div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_COMPILE_ASSERT_(expr, msg) static_assert(expr, #msg)</span></div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else  // !GTEST_LANG_CXX11</span></div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;<span class="preprocessor"></span><span class="keyword">template</span> &lt;<span class="keywordtype">bool</span>&gt;</div>
<div class="line"><a name="l01029"></a><span class="lineno"><a class="line" href="structtesting_1_1internal_1_1CompileAssert.html"> 1029</a></span>&#160;  <span class="keyword">struct </span><a class="code" href="structtesting_1_1internal_1_1CompileAssert.html">CompileAssert</a> {</div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;};</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;</div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;<span class="preprocessor"># define GTEST_COMPILE_ASSERT_(expr, msg) \</span></div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;<span class="preprocessor">  typedef ::testing::internal::CompileAssert&lt;(static_cast&lt;bool&gt;(expr))&gt; \</span></div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;<span class="preprocessor">      msg[static_cast&lt;bool&gt;(expr) ? 1 : -1] GTEST_ATTRIBUTE_UNUSED_</span></div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // !GTEST_LANG_CXX11</span></div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;<span class="comment">// Implementation details of GTEST_COMPILE_ASSERT_:</span></div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;<span class="comment">// (In C++11, we simply use static_assert instead of the following)</span></div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;<span class="comment">// - GTEST_COMPILE_ASSERT_ works by defining an array type that has -1</span></div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;<span class="comment">//   elements (and thus is invalid) when the expression is false.</span></div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;<span class="comment">// - The simpler definition</span></div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;<span class="comment">//    #define GTEST_COMPILE_ASSERT_(expr, msg) typedef char msg[(expr) ? 1 : -1]</span></div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;<span class="comment">//   does not work, as gcc supports variable-length arrays whose sizes</span></div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;<span class="comment">//   are determined at run-time (this is gcc&#39;s extension and not part</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;<span class="comment">//   of the C++ standard).  As a result, gcc fails to reject the</span></div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;<span class="comment">//   following code with the simple definition:</span></div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;<span class="comment">//     int foo;</span></div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;<span class="comment">//     GTEST_COMPILE_ASSERT_(foo, msg); // not supposed to compile as foo is</span></div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;<span class="comment">//                                      // not a compile-time constant.</span></div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;<span class="comment">// - By using the type CompileAssert&lt;(bool(expr))&gt;, we ensures that</span></div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;<span class="comment">//   expr is a compile-time constant.  (Template arguments must be</span></div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;<span class="comment">//   determined at compile-time.)</span></div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;<span class="comment">// - The outter parentheses in CompileAssert&lt;(bool(expr))&gt; are necessary</span></div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;<span class="comment">//   to work around a bug in gcc 3.4.4 and 4.0.1.  If we had written</span></div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;<span class="comment">//     CompileAssert&lt;bool(expr)&gt;</span></div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;<span class="comment">//   instead, these compilers will refuse to compile</span></div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;<span class="comment">//     GTEST_COMPILE_ASSERT_(5 &gt; 0, some_message);</span></div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160;<span class="comment">//   (They seem to think the &quot;&gt;&quot; in &quot;5 &gt; 0&quot; marks the end of the</span></div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;<span class="comment">//   template argument list.)</span></div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;<span class="comment">// - The array size is (bool(expr) ? 1 : -1), instead of simply</span></div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;<span class="comment">//     ((expr) ? 1 : -1).</span></div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;<span class="comment">//   This is to avoid running into a bug in MS VC 7.1, which</span></div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;<span class="comment">//   causes ((0.0) ? 1 : -1) to incorrectly evaluate to 1.</span></div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;<span class="comment">// StaticAssertTypeEqHelper is used by StaticAssertTypeEq defined in gtest.h.</span></div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;<span class="comment">// This template is declared, but intentionally undefined.</span></div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2&gt;</div>
<div class="line"><a name="l01084"></a><span class="lineno"><a class="line" href="structtesting_1_1internal_1_1StaticAssertTypeEqHelper.html"> 1084</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtesting_1_1internal_1_1StaticAssertTypeEqHelper.html">StaticAssertTypeEqHelper</a>;</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l01087"></a><span class="lineno"><a class="line" href="structtesting_1_1internal_1_1StaticAssertTypeEqHelper_3_01T_00_01T_01_4.html"> 1087</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtesting_1_1internal_1_1StaticAssertTypeEqHelper.html">StaticAssertTypeEqHelper</a>&lt;T, T&gt; {</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;  <span class="keyword">enum</span> { value = <span class="keyword">true</span> };</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;};</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160;<span class="comment">// Evaluates to the number of elements in &#39;array&#39;.</span></div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;<span class="preprocessor">#define GTEST_ARRAY_SIZE_(array) (sizeof(array) / sizeof(array[0]))</span></div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;<span class="preprocessor">#if GTEST_HAS_GLOBAL_STRING</span></div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;<span class="preprocessor"></span>typedef ::string string;</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160;<span class="preprocessor"></span>typedef ::std::string string;</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_GLOBAL_STRING</span></div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160;<span class="preprocessor">#if GTEST_HAS_GLOBAL_WSTRING</span></div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160;<span class="preprocessor"></span>typedef ::wstring wstring;</div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;<span class="preprocessor">#elif GTEST_HAS_STD_WSTRING</span></div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;<span class="preprocessor"></span>typedef ::std::wstring wstring;</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_GLOBAL_WSTRING</span></div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160;<span class="comment">// A helper for suppressing warnings on constant condition.  It just</span></div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;<span class="comment">// returns &#39;condition&#39;.</span></div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160;GTEST_API_ <span class="keywordtype">bool</span> IsTrue(<span class="keywordtype">bool</span> condition);</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;<span class="comment">// Defines scoped_ptr.</span></div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;<span class="comment">// This implementation of scoped_ptr is PARTIAL - it only contains</span></div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;<span class="comment">// enough stuff to satisfy Google Test&#39;s need.</span></div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l01115"></a><span class="lineno"><a class="line" href="classtesting_1_1internal_1_1scoped__ptr.html"> 1115</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtesting_1_1internal_1_1scoped__ptr.html">scoped_ptr</a> {</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;  <span class="keyword">typedef</span> T element_type;</div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classtesting_1_1internal_1_1scoped__ptr.html">scoped_ptr</a>(T* p = NULL) : ptr_(p) {}</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;  ~<a class="code" href="classtesting_1_1internal_1_1scoped__ptr.html">scoped_ptr</a>() { reset(); }</div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;  T&amp; operator*()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *ptr_; }</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;  T* operator-&gt;()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> ptr_; }</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;  T* <span class="keyword">get</span>() <span class="keyword">const</span> { <span class="keywordflow">return</span> ptr_; }</div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;  T* release() {</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;    T* <span class="keyword">const</span> ptr = ptr_;</div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;    ptr_ = NULL;</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;    <span class="keywordflow">return</span> ptr;</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;  }</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;  <span class="keywordtype">void</span> reset(T* p = NULL) {</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;    <span class="keywordflow">if</span> (p != ptr_) {</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;      <span class="keywordflow">if</span> (IsTrue(<span class="keyword">sizeof</span>(T) &gt; 0)) {  <span class="comment">// Makes sure T is a complete type.</span></div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;        <span class="keyword">delete</span> ptr_;</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;      }</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;      ptr_ = p;</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;    }</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;  }</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;  <span class="keyword">friend</span> <span class="keywordtype">void</span> swap(<a class="code" href="classtesting_1_1internal_1_1scoped__ptr.html">scoped_ptr</a>&amp; a, <a class="code" href="classtesting_1_1internal_1_1scoped__ptr.html">scoped_ptr</a>&amp; b) {</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;    <span class="keyword">using</span> std::swap;</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160;    swap(a.ptr_, b.ptr_);</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160;  }</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160;</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;  T* ptr_;</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(<a class="code" href="classtesting_1_1internal_1_1scoped__ptr.html">scoped_ptr</a>);</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>&#160;};</div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>&#160;</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160;<span class="comment">// Defines RE.</span></div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160;</div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>&#160;<span class="comment">// A simple C++ wrapper for &lt;regex.h&gt;.  It uses the POSIX Extended</span></div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>&#160;<span class="comment">// Regular Expression syntax.</span></div>
<div class="line"><a name="l01156"></a><span class="lineno"><a class="line" href="classtesting_1_1internal_1_1RE.html"> 1156</a></span>&#160;<span class="keyword">class </span>GTEST_API_ <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a> {</div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;  <span class="comment">// A copy constructor is required by the Standard to initialize object</span></div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160;  <span class="comment">// references from r-values.</span></div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160;  <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>(<span class="keyword">const</span> <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>&amp; other) { Init(other.pattern()); }</div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>&#160;</div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160;  <span class="comment">// Constructs an RE from a string.</span></div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>&#160;  <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>(const ::std::string&amp; regex) { Init(regex.c_str()); }  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>&#160;</div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160;<span class="preprocessor">#if GTEST_HAS_GLOBAL_STRING</span></div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>&#160;  <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>(const ::string&amp; regex) { Init(regex.c_str()); }  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160;</div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_GLOBAL_STRING</span></div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160;  <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* regex) { Init(regex); }  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160;  ~<a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>();</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;  <span class="comment">// Returns the string representation of the regex.</span></div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* pattern()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> pattern_; }</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160;</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160;  <span class="comment">// FullMatch(str, re) returns true iff regular expression re matches</span></div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;  <span class="comment">// the entire str.</span></div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;  <span class="comment">// PartialMatch(str, re) returns true iff regular expression re</span></div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;  <span class="comment">// matches a substring of str (including str itself).</span></div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;  <span class="comment">//</span></div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160;  <span class="comment">// TODO(wan@google.com): make FullMatch() and PartialMatch() work</span></div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160;  <span class="comment">// when str contains NUL characters.</span></div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> FullMatch(const ::std::string&amp; str, <span class="keyword">const</span> <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>&amp; re) {</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160;    <span class="keywordflow">return</span> FullMatch(str.c_str(), re);</div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>&#160;  }</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> PartialMatch(const ::std::string&amp; str, <span class="keyword">const</span> <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>&amp; re) {</div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160;    <span class="keywordflow">return</span> PartialMatch(str.c_str(), re);</div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160;  }</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160;</div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>&#160;<span class="preprocessor">#if GTEST_HAS_GLOBAL_STRING</span></div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> FullMatch(const ::string&amp; str, <span class="keyword">const</span> <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>&amp; re) {</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>&#160;    <span class="keywordflow">return</span> FullMatch(str.c_str(), re);</div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>&#160;  }</div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> PartialMatch(const ::string&amp; str, <span class="keyword">const</span> <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>&amp; re) {</div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160;    <span class="keywordflow">return</span> PartialMatch(str.c_str(), re);</div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160;  }</div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160;</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_GLOBAL_STRING</span></div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> FullMatch(<span class="keyword">const</span> <span class="keywordtype">char</span>* str, <span class="keyword">const</span> <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>&amp; re);</div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> PartialMatch(<span class="keyword">const</span> <span class="keywordtype">char</span>* str, <span class="keyword">const</span> <a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>&amp; re);</div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;</div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;  <span class="keywordtype">void</span> Init(<span class="keyword">const</span> <span class="keywordtype">char</span>* regex);</div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160;  <span class="comment">// We use a const char* instead of an std::string, as Google Test used to be</span></div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160;  <span class="comment">// used where std::string is not available.  TODO(wan@google.com): change to</span></div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;  <span class="comment">// std::string.</span></div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* pattern_;</div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;  <span class="keywordtype">bool</span> is_valid_;</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;<span class="preprocessor">#if GTEST_USES_POSIX_RE</span></div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160;  regex_t full_regex_;     <span class="comment">// For FullMatch().</span></div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;  regex_t partial_regex_;  <span class="comment">// For PartialMatch().</span></div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160;<span class="preprocessor">#else  // GTEST_USES_SIMPLE_RE</span></div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* full_pattern_;  <span class="comment">// For FullMatch();</span></div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160;</div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;  GTEST_DISALLOW_ASSIGN_(<a class="code" href="classtesting_1_1internal_1_1RE.html">RE</a>);</div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160;};</div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160;</div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160;<span class="comment">// Formats a source file path and a line number as they would appear</span></div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;<span class="comment">// in an error message from the compiler used to compile this code.</span></div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;GTEST_API_ ::std::string FormatFileLocation(<span class="keyword">const</span> <span class="keywordtype">char</span>* file, <span class="keywordtype">int</span> line);</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160;<span class="comment">// Formats a file location for compiler-independent XML output.</span></div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;<span class="comment">// Although this function is not platform dependent, we put it next to</span></div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;<span class="comment">// FormatFileLocation in order to contrast the two functions.</span></div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;GTEST_API_ ::std::string FormatCompilerIndependentFileLocation(<span class="keyword">const</span> <span class="keywordtype">char</span>* file,</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160;                                                               <span class="keywordtype">int</span> line);</div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160;</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;<span class="comment">// Defines logging utilities:</span></div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160;<span class="comment">//   GTEST_LOG_(severity) - logs messages at the specified severity level. The</span></div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;<span class="comment">//                          message itself is streamed into the macro.</span></div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160;<span class="comment">//   LogToStderr()  - directs all log messages to stderr.</span></div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160;<span class="comment">//   FlushInfoLog() - flushes informational log messages.</span></div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160;</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160;<span class="keyword">enum</span> GTestLogSeverity {</div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160;  GTEST_INFO,</div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>&#160;  GTEST_WARNING,</div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>&#160;  GTEST_ERROR,</div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>&#160;  GTEST_FATAL</div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>&#160;};</div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>&#160;</div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>&#160;<span class="comment">// Formats log entry severity, provides a stream object for streaming the</span></div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160;<span class="comment">// log message, and terminates the message with a newline when going out of</span></div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160;<span class="comment">// scope.</span></div>
<div class="line"><a name="l01254"></a><span class="lineno"><a class="line" href="classtesting_1_1internal_1_1GTestLog.html"> 1254</a></span>&#160;<span class="keyword">class </span>GTEST_API_ <a class="code" href="classtesting_1_1internal_1_1GTestLog.html">GTestLog</a> {</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160;  <a class="code" href="classtesting_1_1internal_1_1GTestLog.html">GTestLog</a>(GTestLogSeverity severity, <span class="keyword">const</span> <span class="keywordtype">char</span>* file, <span class="keywordtype">int</span> line);</div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>&#160;</div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>&#160;  <span class="comment">// Flushes the buffers and, if severity is GTEST_FATAL, aborts the program.</span></div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>&#160;  ~<a class="code" href="classtesting_1_1internal_1_1GTestLog.html">GTestLog</a>();</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;</div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160;  ::std::ostream&amp; GetStream() { return ::std::cerr; }</div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160;</div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160;  <span class="keyword">const</span> GTestLogSeverity severity_;</div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;</div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(<a class="code" href="classtesting_1_1internal_1_1GTestLog.html">GTestLog</a>);</div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;};</div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160;</div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160;<span class="preprocessor">#if !defined(GTEST_LOG_)</span></div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;<span class="preprocessor"># define GTEST_LOG_(severity) \</span></div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160;<span class="preprocessor">    ::testing::internal::GTestLog(::testing::internal::GTEST_##severity, \</span></div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160;<span class="preprocessor">                                  __FILE__, __LINE__).GetStream()</span></div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> LogToStderr() {}</div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> FlushInfoLog() { fflush(NULL); }</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160;</div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>&#160;<span class="preprocessor">#endif  // !defined(GTEST_LOG_)</span></div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160;<span class="preprocessor">#if !defined(GTEST_CHECK_)</span></div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160;<span class="preprocessor"></span><span class="comment">// INTERNAL IMPLEMENTATION - DO NOT USE.</span></div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160;<span class="comment">// GTEST_CHECK_ is an all-mode assert. It aborts the program if the condition</span></div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160;<span class="comment">// is not satisfied.</span></div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>&#160;<span class="comment">//  Synopsys:</span></div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;<span class="comment">//    GTEST_CHECK_(boolean_condition);</span></div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160;<span class="comment">//     or</span></div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160;<span class="comment">//    GTEST_CHECK_(boolean_condition) &lt;&lt; &quot;Additional message&quot;;</span></div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;<span class="comment">//    This checks the condition and if the condition is not satisfied</span></div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;<span class="comment">//    it prints message about the condition violation, including the</span></div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;<span class="comment">//    condition itself, plus additional message streamed into it, if any,</span></div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;<span class="comment">//    and then it aborts the program. It aborts the program irrespective of</span></div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160;<span class="comment">//    whether it is built in the debug mode or not.</span></div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;<span class="preprocessor"># define GTEST_CHECK_(condition) \</span></div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;<span class="preprocessor">    GTEST_AMBIGUOUS_ELSE_BLOCKER_ \</span></div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;<span class="preprocessor">    if (::testing::internal::IsTrue(condition)) \</span></div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;<span class="preprocessor">      ; \</span></div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;<span class="preprocessor">    else \</span></div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;<span class="preprocessor">      GTEST_LOG_(FATAL) &lt;&lt; &quot;Condition &quot; #condition &quot; failed. &quot;</span></div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // !defined(GTEST_CHECK_)</span></div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;<span class="comment">// An all-mode assert to verify that the given POSIX-style function</span></div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;<span class="comment">// call returns 0 (indicating success).  Known limitation: this</span></div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160;<span class="comment">// doesn&#39;t expand to a balanced &#39;if&#39; statement, so enclose the macro</span></div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;<span class="comment">// in {} if you need to use it as the only statement in an &#39;if&#39;</span></div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;<span class="comment">// branch.</span></div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160;<span class="preprocessor">#define GTEST_CHECK_POSIX_SUCCESS_(posix_call) \</span></div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;<span class="preprocessor">  if (const int gtest_error = (posix_call)) \</span></div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;<span class="preprocessor">    GTEST_LOG_(FATAL) &lt;&lt; #posix_call &lt;&lt; &quot;failed with error &quot; \</span></div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;<span class="preprocessor">                      &lt;&lt; gtest_error</span></div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160;<span class="preprocessor">#if GTEST_HAS_STD_MOVE_</span></div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;<span class="preprocessor"></span><span class="keyword">using</span> std::move;</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;<span class="preprocessor">#else  // GTEST_HAS_STD_MOVE_</span></div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160;<span class="preprocessor"></span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160;<span class="keyword">const</span> T&amp; move(<span class="keyword">const</span> T&amp; t) {</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160;  <span class="keywordflow">return</span> t;</div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;}</div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_STD_MOVE_</span></div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160;<span class="comment">// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.</span></div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;<span class="comment">// Use ImplicitCast_ as a safe version of static_cast for upcasting in</span></div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160;<span class="comment">// the type hierarchy (e.g. casting a Foo* to a SuperclassOfFoo* or a</span></div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160;<span class="comment">// const Foo*).  When you use ImplicitCast_, the compiler checks that</span></div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>&#160;<span class="comment">// the cast is safe.  Such explicit ImplicitCast_s are necessary in</span></div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>&#160;<span class="comment">// surprisingly many situations where C++ demands an exact type match</span></div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160;<span class="comment">// instead of an argument type convertable to a target type.</span></div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160;<span class="comment">// The syntax for using ImplicitCast_ is the same as for static_cast:</span></div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160;<span class="comment">//   ImplicitCast_&lt;ToType&gt;(expr)</span></div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>&#160;<span class="comment">// ImplicitCast_ would have been part of the C++ standard library,</span></div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>&#160;<span class="comment">// but the proposal was submitted too late.  It will probably make</span></div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>&#160;<span class="comment">// its way into the language in the future.</span></div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;<span class="comment">// This relatively ugly name is intentional. It prevents clashes with</span></div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;<span class="comment">// similar functions users may have (e.g., implicit_cast). The internal</span></div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;<span class="comment">// namespace alone is not enough because the function can be found by ADL.</span></div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> To&gt;</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;<span class="keyword">inline</span> To ImplicitCast_(To x) { <span class="keywordflow">return</span> x; }</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160;<span class="comment">// When you upcast (that is, cast a pointer from type Foo to type</span></div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;<span class="comment">// SuperclassOfFoo), it&#39;s fine to use ImplicitCast_&lt;&gt;, since upcasts</span></div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;<span class="comment">// always succeed.  When you downcast (that is, cast a pointer from</span></div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;<span class="comment">// type Foo to type SubclassOfFoo), static_cast&lt;&gt; isn&#39;t safe, because</span></div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;<span class="comment">// how do you know the pointer is really of type SubclassOfFoo?  It</span></div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;<span class="comment">// could be a bare Foo, or of type DifferentSubclassOfFoo.  Thus,</span></div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;<span class="comment">// when you downcast, you should use this macro.  In debug mode, we</span></div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160;<span class="comment">// use dynamic_cast&lt;&gt; to double-check the downcast is legal (we die</span></div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160;<span class="comment">// if it&#39;s not).  In normal mode, we do the efficient static_cast&lt;&gt;</span></div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;<span class="comment">// instead.  Thus, it&#39;s important to test in debug mode to make sure</span></div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;<span class="comment">// the cast is legal!</span></div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;<span class="comment">//    This is the only place in the code we should use dynamic_cast&lt;&gt;.</span></div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;<span class="comment">// In particular, you SHOULDN&#39;T be using dynamic_cast&lt;&gt; in order to</span></div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;<span class="comment">// do RTTI (eg code like this:</span></div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;<span class="comment">//    if (dynamic_cast&lt;Subclass1&gt;(foo)) HandleASubclass1Object(foo);</span></div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;<span class="comment">//    if (dynamic_cast&lt;Subclass2&gt;(foo)) HandleASubclass2Object(foo);</span></div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160;<span class="comment">// You should design the code some other way not to need this.</span></div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;<span class="comment">// This relatively ugly name is intentional. It prevents clashes with</span></div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160;<span class="comment">// similar functions users may have (e.g., down_cast). The internal</span></div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160;<span class="comment">// namespace alone is not enough because the function can be found by ADL.</span></div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> To, <span class="keyword">typename</span> From&gt;  <span class="comment">// use like this: DownCast_&lt;T*&gt;(foo);</span></div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160;<span class="keyword">inline</span> To DownCast_(From* f) {  <span class="comment">// so we only accept pointers</span></div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>&#160;  <span class="comment">// Ensures that To is a sub-type of From *.  This test is here only</span></div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>&#160;  <span class="comment">// for compile-time type checking, and has no overhead in an</span></div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>&#160;  <span class="comment">// optimized build at run-time, as it will be optimized away</span></div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>&#160;  <span class="comment">// completely.</span></div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>&#160;  GTEST_INTENTIONAL_CONST_COND_PUSH_()</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>&#160;  if (false) {</div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160;  GTEST_INTENTIONAL_CONST_COND_POP_()</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160;    const To to = NULL;</div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160;    ::testing::internal::ImplicitCast_&lt;From*&gt;(to);</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160;  }</div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>&#160;</div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>&#160;<span class="preprocessor">#if GTEST_HAS_RTTI</span></div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>&#160;<span class="preprocessor"></span>  <span class="comment">// RTTI: debug mode only!</span></div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>&#160;  GTEST_CHECK_(f == NULL || dynamic_cast&lt;To&gt;(f) != NULL);</div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>&#160;<span class="preprocessor"></span>  <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>To<span class="keyword">&gt;</span>(f);</div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160;}</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160;</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;<span class="comment">// Downcasts the pointer of type Base to Derived.</span></div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;<span class="comment">// Derived must be a subclass of Base. The parameter MUST</span></div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160;<span class="comment">// point to a class of type Derived, not any subclass of it.</span></div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;<span class="comment">// When RTTI is available, the function performs a runtime</span></div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>&#160;<span class="comment">// check to enforce this.</span></div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Derived, <span class="keyword">class</span> Base&gt;</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;Derived* CheckedDowncastToActualType(Base* base) {</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;<span class="preprocessor">#if GTEST_HAS_RTTI</span></div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160;<span class="preprocessor"></span>  GTEST_CHECK_(<span class="keyword">typeid</span>(*base) == <span class="keyword">typeid</span>(Derived));</div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160;<span class="preprocessor">#if GTEST_HAS_DOWNCAST_</span></div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>&#160;<span class="preprocessor"></span>  return ::down_cast&lt;Derived*&gt;(base);</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160;<span class="preprocessor">#elif GTEST_HAS_RTTI</span></div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160;<span class="preprocessor"></span>  <span class="keywordflow">return</span> <span class="keyword">dynamic_cast&lt;</span>Derived*<span class="keyword">&gt;</span>(base);  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160;<span class="preprocessor"></span>  <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>Derived*<span class="keyword">&gt;</span>(base);  <span class="comment">// Poor man&#39;s downcast.</span></div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160;</div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;<span class="preprocessor">#if GTEST_HAS_STREAM_REDIRECTION</span></div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>&#160;<span class="comment">// Defines the stderr capturer:</span></div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160;<span class="comment">//   CaptureStdout     - starts capturing stdout.</span></div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160;<span class="comment">//   GetCapturedStdout - stops capturing stdout and returns the captured string.</span></div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;<span class="comment">//   CaptureStderr     - starts capturing stderr.</span></div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160;<span class="comment">//   GetCapturedStderr - stops capturing stderr and returns the captured string.</span></div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>&#160;GTEST_API_ <span class="keywordtype">void</span> CaptureStdout();</div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>&#160;GTEST_API_ std::string GetCapturedStdout();</div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>&#160;GTEST_API_ <span class="keywordtype">void</span> CaptureStderr();</div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>&#160;GTEST_API_ std::string GetCapturedStderr();</div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>&#160;</div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_STREAM_REDIRECTION</span></div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>&#160;<span class="comment">// Returns a path to temporary directory.</span></div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>&#160;GTEST_API_ std::string TempDir();</div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>&#160;</div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160;<span class="comment">// Returns the size (in bytes) of a file.</span></div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160;GTEST_API_ <span class="keywordtype">size_t</span> GetFileSize(FILE* file);</div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>&#160;</div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;<span class="comment">// Reads the entire content of a file as a string.</span></div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>&#160;GTEST_API_ std::string ReadEntireFile(FILE* file);</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;<span class="comment">// All command line arguments.</span></div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;GTEST_API_ const ::std::vector&lt;testing::internal::string&gt;&amp; GetArgvs();</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;</div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160;<span class="preprocessor">#if GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;const ::std::vector&lt;testing::internal::string&gt;&amp; GetInjectableArgvs();</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160;<span class="keywordtype">void</span> SetInjectableArgvs(const ::std::vector&lt;testing::internal::string&gt;*</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160;                             new_argvs);</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160;</div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160;</div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160;<span class="preprocessor">#endif  // GTEST_HAS_DEATH_TEST</span></div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160;<span class="comment">// Defines synchronization primitives.</span></div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;<span class="preprocessor">#if GTEST_IS_THREADSAFE</span></div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># if GTEST_HAS_PTHREAD</span></div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;<span class="preprocessor"></span><span class="comment">// Sleeps for (roughly) n milliseconds.  This function is only for testing</span></div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160;<span class="comment">// Google Test&#39;s own constructs.  Don&#39;t use it in user tests, either</span></div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160;<span class="comment">// directly or indirectly.</span></div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> SleepMilliseconds(<span class="keywordtype">int</span> n) {</div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;  <span class="keyword">const</span> timespec time = {</div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160;    0,                  <span class="comment">// 0 seconds.</span></div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160;    n * 1000L * 1000L,  <span class="comment">// And n ms.</span></div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160;  };</div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160;  nanosleep(&amp;time, NULL);</div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160;}</div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160;<span class="preprocessor"># endif  // GTEST_HAS_PTHREAD</span></div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160;<span class="preprocessor"># if GTEST_HAS_NOTIFICATION_</span></div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160;<span class="preprocessor"></span><span class="comment">// Notification has already been imported into the namespace.</span></div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160;<span class="comment">// Nothing to do here.</span></div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>&#160;</div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>&#160;<span class="preprocessor"># elif GTEST_HAS_PTHREAD</span></div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>&#160;<span class="preprocessor"></span><span class="comment">// Allows a controller thread to pause execution of newly created</span></div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>&#160;<span class="comment">// threads until notified.  Instances of this class must be created</span></div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>&#160;<span class="comment">// and destroyed in the controller thread.</span></div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>&#160;<span class="comment">// This class is only for testing Google Test&#39;s own constructs. Do not</span></div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>&#160;<span class="comment">// use it in user tests, either directly or indirectly.</span></div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>&#160;<span class="keyword">class </span>Notification {</div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>&#160;  Notification() : notified_(false) {</div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160;    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&amp;mutex_, NULL));</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160;  }</div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160;  ~Notification() {</div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160;    pthread_mutex_destroy(&amp;mutex_);</div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160;  }</div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;</div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160;  <span class="comment">// Notifies all threads created with this notification to start. Must</span></div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160;  <span class="comment">// be called from the controller thread.</span></div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;  <span class="keywordtype">void</span> Notify() {</div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;    pthread_mutex_lock(&amp;mutex_);</div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160;    notified_ = <span class="keyword">true</span>;</div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160;    pthread_mutex_unlock(&amp;mutex_);</div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;  }</div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160;</div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;  <span class="comment">// Blocks until the controller thread notifies. Must be called from a test</span></div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160;  <span class="comment">// thread.</span></div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;  <span class="keywordtype">void</span> WaitForNotification() {</div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;    <span class="keywordflow">for</span> (;;) {</div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160;      pthread_mutex_lock(&amp;mutex_);</div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160;      <span class="keyword">const</span> <span class="keywordtype">bool</span> notified = notified_;</div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160;      pthread_mutex_unlock(&amp;mutex_);</div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;      <span class="keywordflow">if</span> (notified)</div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;      SleepMilliseconds(10);</div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;    }</div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;  }</div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160;  pthread_mutex_t mutex_;</div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160;  <span class="keywordtype">bool</span> notified_;</div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification);</div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160;};</div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;</div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160;<span class="preprocessor"># elif GTEST_OS_WINDOWS &amp;&amp; !GTEST_OS_WINDOWS_PHONE &amp;&amp; !GTEST_OS_WINDOWS_RT</span></div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;GTEST_API_ <span class="keywordtype">void</span> SleepMilliseconds(<span class="keywordtype">int</span> n);</div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;</div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160;<span class="comment">// Provides leak-safe Windows kernel handle ownership.</span></div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>&#160;<span class="comment">// Used in death tests and in threading support.</span></div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160;<span class="keyword">class </span>GTEST_API_ AutoHandle {</div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>&#160;  <span class="comment">// Assume that Win32 HANDLE type is equivalent to void*. Doing so allows us to</span></div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>&#160;  <span class="comment">// avoid including &lt;windows.h&gt; in this header file. Including &lt;windows.h&gt; is</span></div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>&#160;  <span class="comment">// undesirable because it defines a lot of symbols and macros that tend to</span></div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>&#160;  <span class="comment">// conflict with client code. This assumption is verified by</span></div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>&#160;  <span class="comment">// WindowsTypesTest.HANDLEIsVoidStar.</span></div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">void</span>* Handle;</div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>&#160;  AutoHandle();</div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>&#160;  <span class="keyword">explicit</span> AutoHandle(Handle handle);</div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>&#160;</div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>&#160;  ~AutoHandle();</div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>&#160;</div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>&#160;  Handle Get() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>&#160;  <span class="keywordtype">void</span> Reset();</div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>&#160;  <span class="keywordtype">void</span> Reset(Handle handle);</div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>&#160;</div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>&#160;  <span class="comment">// Returns true iff the handle is a valid handle object that can be closed.</span></div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160;  <span class="keywordtype">bool</span> IsCloseable() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160;</div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160;  Handle handle_;</div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160;</div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(AutoHandle);</div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>&#160;};</div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>&#160;</div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160;<span class="comment">// Allows a controller thread to pause execution of newly created</span></div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160;<span class="comment">// threads until notified.  Instances of this class must be created</span></div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>&#160;<span class="comment">// and destroyed in the controller thread.</span></div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>&#160;<span class="comment">// This class is only for testing Google Test&#39;s own constructs. Do not</span></div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>&#160;<span class="comment">// use it in user tests, either directly or indirectly.</span></div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>&#160;<span class="keyword">class </span>GTEST_API_ Notification {</div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>&#160;  Notification();</div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160;  <span class="keywordtype">void</span> Notify();</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160;  <span class="keywordtype">void</span> WaitForNotification();</div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160;</div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;  AutoHandle event_;</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>&#160;</div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification);</div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160;};</div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160;<span class="preprocessor"># endif  // GTEST_HAS_NOTIFICATION_</span></div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>&#160;<span class="comment">// On MinGW, we can have both GTEST_OS_WINDOWS and GTEST_HAS_PTHREAD</span></div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160;<span class="comment">// defined, but we don&#39;t want to use MinGW&#39;s pthreads implementation, which</span></div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160;<span class="comment">// has conformance problems with some versions of the POSIX standard.</span></div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160;<span class="preprocessor"># if GTEST_HAS_PTHREAD &amp;&amp; !GTEST_OS_WINDOWS_MINGW</span></div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;<span class="comment">// As a C-function, ThreadFuncWithCLinkage cannot be templated itself.</span></div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160;<span class="comment">// Consequently, it cannot select a correct instantiation of ThreadWithParam</span></div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>&#160;<span class="comment">// in order to call its Run(). Introducing ThreadWithParamBase as a</span></div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>&#160;<span class="comment">// non-templated base class for ThreadWithParam allows us to bypass this</span></div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;<span class="comment">// problem.</span></div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160;<span class="keyword">class </span>ThreadWithParamBase {</div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160;  <span class="keyword">virtual</span> ~ThreadWithParamBase() {}</div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Run() = 0;</div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160;};</div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>&#160;</div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>&#160;<span class="comment">// pthread_create() accepts a pointer to a function type with the C linkage.</span></div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>&#160;<span class="comment">// According to the Standard (7.5/1), function types with different linkages</span></div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>&#160;<span class="comment">// are different even if they are otherwise identical.  Some compilers (for</span></div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>&#160;<span class="comment">// example, SunStudio) treat them as different types.  Since class methods</span></div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>&#160;<span class="comment">// cannot be defined with C-linkage we need to define a free C-function to</span></div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>&#160;<span class="comment">// pass into pthread_create().</span></div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>* ThreadFuncWithCLinkage(<span class="keywordtype">void</span>* thread) {</div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>&#160;  <span class="keyword">static_cast&lt;</span>ThreadWithParamBase*<span class="keyword">&gt;</span>(thread)-&gt;Run();</div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>&#160;  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>&#160;}</div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>&#160;</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>&#160;<span class="comment">// Helper class for testing Google Test&#39;s multi-threading constructs.</span></div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>&#160;<span class="comment">// To use it, write:</span></div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>&#160;<span class="comment">//   void ThreadFunc(int param) { /* Do things with param */ }</span></div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>&#160;<span class="comment">//   Notification thread_can_start;</span></div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>&#160;<span class="comment">//   ...</span></div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>&#160;<span class="comment">//   // The thread_can_start parameter is optional; you can supply NULL.</span></div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>&#160;<span class="comment">//   ThreadWithParam&lt;int&gt; thread(&amp;ThreadFunc, 5, &amp;thread_can_start);</span></div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>&#160;<span class="comment">//   thread_can_start.Notify();</span></div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>&#160;<span class="comment">// These classes are only for testing Google Test&#39;s own constructs. Do</span></div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>&#160;<span class="comment">// not use them in user tests, either directly or indirectly.</span></div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>&#160;<span class="keyword">class </span>ThreadWithParam : <span class="keyword">public</span> ThreadWithParamBase {</div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">void</span> UserThreadFunc(T);</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>&#160;</div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>&#160;  ThreadWithParam(UserThreadFunc* func, T param, Notification* thread_can_start)</div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>&#160;      : func_(func),</div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160;        param_(param),</div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160;        thread_can_start_(thread_can_start),</div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160;        finished_(false) {</div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160;    ThreadWithParamBase* <span class="keyword">const</span> base = <span class="keyword">this</span>;</div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>&#160;    <span class="comment">// The thread can be created only after all fields except thread_</span></div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>&#160;    <span class="comment">// have been initialized.</span></div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160;    GTEST_CHECK_POSIX_SUCCESS_(</div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;        pthread_create(&amp;thread_, 0, &amp;ThreadFuncWithCLinkage, base));</div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160;  }</div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>&#160;  ~ThreadWithParam() { Join(); }</div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>&#160;</div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>&#160;  <span class="keywordtype">void</span> Join() {</div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>&#160;    <span class="keywordflow">if</span> (!finished_) {</div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160;      GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_, 0));</div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160;      finished_ = <span class="keyword">true</span>;</div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160;    }</div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160;  }</div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160;</div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Run() {</div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160;    <span class="keywordflow">if</span> (thread_can_start_ != NULL)</div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160;      thread_can_start_-&gt;WaitForNotification();</div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160;    func_(param_);</div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160;  }</div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>&#160;</div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160;  UserThreadFunc* <span class="keyword">const</span> func_;  <span class="comment">// User-supplied thread function.</span></div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160;  <span class="keyword">const</span> T param_;  <span class="comment">// User-supplied parameter to the thread function.</span></div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160;  <span class="comment">// When non-NULL, used to block execution until the controller thread</span></div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>&#160;  <span class="comment">// notifies.</span></div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>&#160;  Notification* <span class="keyword">const</span> thread_can_start_;</div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>&#160;  <span class="keywordtype">bool</span> finished_;  <span class="comment">// true iff we know that the thread function has finished.</span></div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>&#160;  pthread_t thread_;  <span class="comment">// The native thread object.</span></div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>&#160;</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam);</div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>&#160;};</div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>&#160;<span class="preprocessor"># endif  // !GTEST_OS_WINDOWS &amp;&amp; GTEST_HAS_PTHREAD ||</span></div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>&#160;<span class="preprocessor"></span>         <span class="comment">// GTEST_HAS_MUTEX_AND_THREAD_LOCAL_</span></div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>&#160;</div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>&#160;<span class="preprocessor"># if GTEST_HAS_MUTEX_AND_THREAD_LOCAL_</span></div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;<span class="preprocessor"></span><span class="comment">// Mutex and ThreadLocal have already been imported into the namespace.</span></div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>&#160;<span class="comment">// Nothing to do here.</span></div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>&#160;</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>&#160;<span class="preprocessor"># elif GTEST_OS_WINDOWS &amp;&amp; !GTEST_OS_WINDOWS_PHONE &amp;&amp; !GTEST_OS_WINDOWS_RT</span></div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160;<span class="comment">// Mutex implements mutex on Windows platforms.  It is used in conjunction</span></div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160;<span class="comment">// with class MutexLock:</span></div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160;<span class="comment">//   Mutex mutex;</span></div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160;<span class="comment">//   ...</span></div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160;<span class="comment">//   MutexLock lock(&amp;mutex);  // Acquires the mutex and releases it at the</span></div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>&#160;<span class="comment">//                            // end of the current scope.</span></div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>&#160;<span class="comment">// A static Mutex *must* be defined or declared using one of the following</span></div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>&#160;<span class="comment">// macros:</span></div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>&#160;<span class="comment">//   GTEST_DEFINE_STATIC_MUTEX_(g_some_mutex);</span></div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>&#160;<span class="comment">//   GTEST_DECLARE_STATIC_MUTEX_(g_some_mutex);</span></div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>&#160;<span class="comment">// (A non-static Mutex is defined/declared in the usual way).</span></div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>&#160;<span class="keyword">class </span>GTEST_API_ Mutex {</div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>&#160;  <span class="keyword">enum</span> MutexType { kStatic = 0, kDynamic = 1 };</div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>&#160;  <span class="comment">// We rely on kStaticMutex being 0 as it is to what the linker initializes</span></div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>&#160;  <span class="comment">// type_ in static mutexes.  critical_section_ will be initialized lazily</span></div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160;  <span class="comment">// in ThreadSafeLazyInit().</span></div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160;  <span class="keyword">enum</span> StaticConstructorSelector { kStaticMutex = 0 };</div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>&#160;</div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>&#160;  <span class="comment">// This constructor intentionally does nothing.  It relies on type_ being</span></div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>&#160;  <span class="comment">// statically initialized to 0 (effectively setting it to kStatic) and on</span></div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>&#160;  <span class="comment">// ThreadSafeLazyInit() to lazily initialize the rest of the members.</span></div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>&#160;  <span class="keyword">explicit</span> Mutex(StaticConstructorSelector <span class="comment">/*dummy*/</span>) {}</div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>&#160;</div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>&#160;  Mutex();</div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>&#160;  ~Mutex();</div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>&#160;</div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>&#160;  <span class="keywordtype">void</span> Lock();</div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>&#160;</div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>&#160;  <span class="keywordtype">void</span> Unlock();</div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>&#160;</div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>&#160;  <span class="comment">// Does nothing if the current thread holds the mutex. Otherwise, crashes</span></div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>&#160;  <span class="comment">// with high probability.</span></div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>&#160;  <span class="keywordtype">void</span> AssertHeld();</div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>&#160;</div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>&#160;  <span class="comment">// Initializes owner_thread_id_ and critical_section_ in static mutexes.</span></div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>&#160;  <span class="keywordtype">void</span> ThreadSafeLazyInit();</div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>&#160;</div>
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>&#160;  <span class="comment">// Per http://blogs.msdn.com/b/oldnewthing/archive/2004/02/23/78395.aspx,</span></div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>&#160;  <span class="comment">// we assume that 0 is an invalid value for thread IDs.</span></div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> owner_thread_id_;</div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>&#160;</div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>&#160;  <span class="comment">// For static mutexes, we rely on these members being initialized to zeros</span></div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>&#160;  <span class="comment">// by the linker.</span></div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>&#160;  MutexType type_;</div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>&#160;  <span class="keywordtype">long</span> critical_section_init_phase_;  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>&#160;  _RTL_CRITICAL_SECTION* critical_section_;</div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>&#160;</div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex);</div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>&#160;};</div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>&#160;</div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>&#160;<span class="preprocessor"># define GTEST_DECLARE_STATIC_MUTEX_(mutex) \</span></div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>&#160;<span class="preprocessor">    extern ::testing::internal::Mutex mutex</span></div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>&#160;<span class="preprocessor"># define GTEST_DEFINE_STATIC_MUTEX_(mutex) \</span></div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>&#160;<span class="preprocessor">    ::testing::internal::Mutex mutex(::testing::internal::Mutex::kStaticMutex)</span></div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>&#160;<span class="comment">// We cannot name this class MutexLock because the ctor declaration would</span></div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>&#160;<span class="comment">// conflict with a macro named MutexLock, which is defined on some</span></div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>&#160;<span class="comment">// platforms. That macro is used as a defensive measure to prevent against</span></div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>&#160;<span class="comment">// inadvertent misuses of MutexLock like &quot;MutexLock(&amp;mu)&quot; rather than</span></div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>&#160;<span class="comment">// &quot;MutexLock l(&amp;mu)&quot;.  Hence the typedef trick below.</span></div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>&#160;<span class="keyword">class </span>GTestMutexLock {</div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>&#160;  <span class="keyword">explicit</span> GTestMutexLock(Mutex* mutex)</div>
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>&#160;      : mutex_(mutex) { mutex_-&gt;Lock(); }</div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>&#160;</div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>&#160;  ~GTestMutexLock() { mutex_-&gt;Unlock(); }</div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>&#160;</div>
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>&#160;  Mutex* <span class="keyword">const</span> mutex_;</div>
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>&#160;</div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock);</div>
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>&#160;};</div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>&#160;</div>
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>&#160;<span class="keyword">typedef</span> GTestMutexLock MutexLock;</div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>&#160;</div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>&#160;<span class="comment">// Base class for ValueHolder&lt;T&gt;.  Allows a caller to hold and delete a value</span></div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>&#160;<span class="comment">// without knowing its type.</span></div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>&#160;<span class="keyword">class </span>ThreadLocalValueHolderBase {</div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>&#160;  <span class="keyword">virtual</span> ~ThreadLocalValueHolderBase() {}</div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>&#160;};</div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>&#160;</div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>&#160;<span class="comment">// Provides a way for a thread to send notifications to a ThreadLocal</span></div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>&#160;<span class="comment">// regardless of its parameter type.</span></div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>&#160;<span class="keyword">class </span>ThreadLocalBase {</div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>&#160;  <span class="comment">// Creates a new ValueHolder&lt;T&gt; object holding a default value passed to</span></div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>&#160;  <span class="comment">// this ThreadLocal&lt;T&gt;&#39;s constructor and returns it.  It is the caller&#39;s</span></div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>&#160;  <span class="comment">// responsibility not to call this when the ThreadLocal&lt;T&gt; instance already</span></div>
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>&#160;  <span class="comment">// has a value on the current thread.</span></div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>&#160;  <span class="keyword">virtual</span> ThreadLocalValueHolderBase* NewValueForCurrentThread() <span class="keyword">const</span> = 0;</div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>&#160;</div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>&#160; <span class="keyword">protected</span>:</div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>&#160;  ThreadLocalBase() {}</div>
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>&#160;  <span class="keyword">virtual</span> ~ThreadLocalBase() {}</div>
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>&#160;</div>
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocalBase);</div>
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>&#160;};</div>
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>&#160;</div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>&#160;<span class="comment">// Maps a thread to a set of ThreadLocals that have values instantiated on that</span></div>
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>&#160;<span class="comment">// thread and notifies them when the thread exits.  A ThreadLocal instance is</span></div>
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>&#160;<span class="comment">// expected to persist until all threads it has values on have terminated.</span></div>
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>&#160;<span class="keyword">class </span>GTEST_API_ ThreadLocalRegistry {</div>
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>&#160;  <span class="comment">// Registers thread_local_instance as having value on the current thread.</span></div>
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>&#160;  <span class="comment">// Returns a value that can be used to identify the thread from other threads.</span></div>
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>&#160;  <span class="keyword">static</span> ThreadLocalValueHolderBase* GetValueOnCurrentThread(</div>
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>&#160;      <span class="keyword">const</span> ThreadLocalBase* thread_local_instance);</div>
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>&#160;</div>
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>&#160;  <span class="comment">// Invoked when a ThreadLocal instance is destroyed.</span></div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> OnThreadLocalDestroyed(</div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>&#160;      <span class="keyword">const</span> ThreadLocalBase* thread_local_instance);</div>
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>&#160;};</div>
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>&#160;</div>
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>&#160;<span class="keyword">class </span>GTEST_API_ ThreadWithParamBase {</div>
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>&#160;  <span class="keywordtype">void</span> Join();</div>
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>&#160;</div>
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>&#160; <span class="keyword">protected</span>:</div>
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>&#160;  <span class="keyword">class </span>Runnable {</div>
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>&#160;    <span class="keyword">virtual</span> ~Runnable() {}</div>
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> Run() = 0;</div>
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>&#160;  };</div>
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>&#160;</div>
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>&#160;  ThreadWithParamBase(Runnable *runnable, Notification* thread_can_start);</div>
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>&#160;  <span class="keyword">virtual</span> ~ThreadWithParamBase();</div>
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>&#160;</div>
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>&#160;  AutoHandle thread_;</div>
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>&#160;};</div>
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>&#160;</div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>&#160;<span class="comment">// Helper class for testing Google Test&#39;s multi-threading constructs.</span></div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>&#160;<span class="keyword">class </span>ThreadWithParam : <span class="keyword">public</span> ThreadWithParamBase {</div>
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">void</span> UserThreadFunc(T);</div>
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>&#160;</div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>&#160;  ThreadWithParam(UserThreadFunc* func, T param, Notification* thread_can_start)</div>
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>&#160;      : ThreadWithParamBase(new RunnableImpl(func, param), thread_can_start) {</div>
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>&#160;  }</div>
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>&#160;  <span class="keyword">virtual</span> ~ThreadWithParam() {}</div>
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>&#160;</div>
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>&#160;  <span class="keyword">class </span>RunnableImpl : <span class="keyword">public</span> Runnable {</div>
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>&#160;    RunnableImpl(UserThreadFunc* func, T param)</div>
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>&#160;        : func_(func),</div>
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>&#160;          param_(param) {</div>
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>&#160;    }</div>
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>&#160;    <span class="keyword">virtual</span> ~RunnableImpl() {}</div>
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> Run() {</div>
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>&#160;      func_(param_);</div>
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>&#160;    }</div>
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>&#160;</div>
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>&#160;   <span class="keyword">private</span>:</div>
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>&#160;    UserThreadFunc* <span class="keyword">const</span> func_;</div>
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>&#160;    <span class="keyword">const</span> T param_;</div>
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>&#160;</div>
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>&#160;    GTEST_DISALLOW_COPY_AND_ASSIGN_(RunnableImpl);</div>
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>&#160;  };</div>
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>&#160;</div>
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam);</div>
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>&#160;};</div>
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>&#160;</div>
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>&#160;<span class="comment">// Implements thread-local storage on Windows systems.</span></div>
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>&#160;<span class="comment">//   // Thread 1</span></div>
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>&#160;<span class="comment">//   ThreadLocal&lt;int&gt; tl(100);  // 100 is the default value for each thread.</span></div>
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>&#160;<span class="comment">//   // Thread 2</span></div>
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>&#160;<span class="comment">//   tl.set(150);  // Changes the value for thread 2 only.</span></div>
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>&#160;<span class="comment">//   EXPECT_EQ(150, tl.get());</span></div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>&#160;<span class="comment">//   // Thread 1</span></div>
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>&#160;<span class="comment">//   EXPECT_EQ(100, tl.get());  // In thread 1, tl has the original value.</span></div>
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>&#160;<span class="comment">//   tl.set(200);</span></div>
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>&#160;<span class="comment">//   EXPECT_EQ(200, tl.get());</span></div>
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>&#160;<span class="comment">// The template type argument T must have a public copy constructor.</span></div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>&#160;<span class="comment">// In addition, the default ThreadLocal constructor requires T to have</span></div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>&#160;<span class="comment">// a public default constructor.</span></div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>&#160;<span class="comment">// The users of a TheadLocal instance have to make sure that all but one</span></div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>&#160;<span class="comment">// threads (including the main one) using that instance have exited before</span></div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>&#160;<span class="comment">// destroying it. Otherwise, the per-thread objects managed for them by the</span></div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>&#160;<span class="comment">// ThreadLocal instance are not guaranteed to be destroyed on all platforms.</span></div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>&#160;<span class="comment">// Google Test only uses global ThreadLocal objects.  That means they</span></div>
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>&#160;<span class="comment">// will die after main() has returned.  Therefore, no per-thread</span></div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>&#160;<span class="comment">// object managed by Google Test will be leaked as long as all threads</span></div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>&#160;<span class="comment">// using Google Test have exited when main() returns.</span></div>
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>&#160;<span class="keyword">class </span>ThreadLocal : <span class="keyword">public</span> ThreadLocalBase {</div>
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>&#160;  ThreadLocal() : default_factory_(new DefaultValueHolderFactory()) {}</div>
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>&#160;  <span class="keyword">explicit</span> ThreadLocal(<span class="keyword">const</span> T&amp; value)</div>
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>&#160;      : default_factory_(new InstanceValueHolderFactory(value)) {}</div>
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>&#160;</div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>&#160;  ~ThreadLocal() { ThreadLocalRegistry::OnThreadLocalDestroyed(<span class="keyword">this</span>); }</div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>&#160;</div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>&#160;  T* pointer() { <span class="keywordflow">return</span> GetOrCreateValue(); }</div>
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>&#160;  <span class="keyword">const</span> T* pointer()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> GetOrCreateValue(); }</div>
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>&#160;  <span class="keyword">const</span> T&amp; <span class="keyword">get</span>() <span class="keyword">const</span> { <span class="keywordflow">return</span> *pointer(); }</div>
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>&#160;  <span class="keywordtype">void</span> set(<span class="keyword">const</span> T&amp; value) { *pointer() = value; }</div>
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>&#160;</div>
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>&#160;  <span class="comment">// Holds a value of T.  Can be deleted via its base class without the caller</span></div>
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>&#160;  <span class="comment">// knowing the type of T.</span></div>
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>&#160;  <span class="keyword">class </span>ValueHolder : <span class="keyword">public</span> ThreadLocalValueHolderBase {</div>
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>&#160;    ValueHolder() : value_() {}</div>
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>&#160;    <span class="keyword">explicit</span> ValueHolder(<span class="keyword">const</span> T&amp; value) : value_(value) {}</div>
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>&#160;</div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>&#160;    T* pointer() { <span class="keywordflow">return</span> &amp;value_; }</div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>&#160;</div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>&#160;   <span class="keyword">private</span>:</div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>&#160;    T value_;</div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>&#160;    GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder);</div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>&#160;  };</div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>&#160;</div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>&#160;</div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>&#160;  T* GetOrCreateValue()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>ValueHolder*<span class="keyword">&gt;</span>(</div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>&#160;        ThreadLocalRegistry::GetValueOnCurrentThread(<span class="keyword">this</span>))-&gt;pointer();</div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>&#160;  }</div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>&#160;</div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>&#160;  <span class="keyword">virtual</span> ThreadLocalValueHolderBase* NewValueForCurrentThread()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>&#160;    <span class="keywordflow">return</span> default_factory_-&gt;MakeNewHolder();</div>
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>&#160;  }</div>
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>&#160;</div>
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>&#160;  <span class="keyword">class </span>ValueHolderFactory {</div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>&#160;    ValueHolderFactory() {}</div>
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>&#160;    <span class="keyword">virtual</span> ~ValueHolderFactory() {}</div>
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>&#160;    <span class="keyword">virtual</span> ValueHolder* MakeNewHolder() <span class="keyword">const</span> = 0;</div>
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>&#160;</div>
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>&#160;   <span class="keyword">private</span>:</div>
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>&#160;    GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolderFactory);</div>
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>&#160;  };</div>
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>&#160;</div>
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>&#160;  <span class="keyword">class </span>DefaultValueHolderFactory : <span class="keyword">public</span> ValueHolderFactory {</div>
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>&#160;    DefaultValueHolderFactory() {}</div>
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>&#160;    <span class="keyword">virtual</span> ValueHolder* MakeNewHolder()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">new</span> ValueHolder(); }</div>
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>&#160;</div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>&#160;   <span class="keyword">private</span>:</div>
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>&#160;    GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultValueHolderFactory);</div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>&#160;  };</div>
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>&#160;</div>
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>&#160;  <span class="keyword">class </span>InstanceValueHolderFactory : <span class="keyword">public</span> ValueHolderFactory {</div>
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>&#160;    <span class="keyword">explicit</span> InstanceValueHolderFactory(<span class="keyword">const</span> T&amp; value) : value_(value) {}</div>
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>&#160;    <span class="keyword">virtual</span> ValueHolder* MakeNewHolder()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">new</span> ValueHolder(value_);</div>
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>&#160;    }</div>
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>&#160;</div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>&#160;   <span class="keyword">private</span>:</div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>&#160;    <span class="keyword">const</span> T value_;  <span class="comment">// The value for each thread.</span></div>
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>&#160;</div>
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>&#160;    GTEST_DISALLOW_COPY_AND_ASSIGN_(InstanceValueHolderFactory);</div>
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>&#160;  };</div>
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>&#160;</div>
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>&#160;  scoped_ptr&lt;ValueHolderFactory&gt; default_factory_;</div>
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>&#160;</div>
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal);</div>
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>&#160;};</div>
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>&#160;</div>
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>&#160;<span class="preprocessor"># elif GTEST_HAS_PTHREAD</span></div>
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>&#160;<span class="comment">// MutexBase and Mutex implement mutex on pthreads-based platforms.</span></div>
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>&#160;<span class="keyword">class </span>MutexBase {</div>
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>&#160;  <span class="comment">// Acquires this mutex.</span></div>
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>&#160;  <span class="keywordtype">void</span> Lock() {</div>
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>&#160;    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&amp;mutex_));</div>
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>&#160;    owner_ = pthread_self();</div>
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>&#160;    has_owner_ = <span class="keyword">true</span>;</div>
<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>&#160;  }</div>
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>&#160;</div>
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>&#160;  <span class="comment">// Releases this mutex.</span></div>
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>&#160;  <span class="keywordtype">void</span> Unlock() {</div>
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>&#160;    <span class="comment">// Since the lock is being released the owner_ field should no longer be</span></div>
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>&#160;    <span class="comment">// considered valid. We don&#39;t protect writing to has_owner_ here, as it&#39;s</span></div>
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>&#160;    <span class="comment">// the caller&#39;s responsibility to ensure that the current thread holds the</span></div>
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>&#160;    <span class="comment">// mutex when this is called.</span></div>
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>&#160;    has_owner_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>&#160;    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&amp;mutex_));</div>
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>&#160;  }</div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>&#160;</div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>&#160;  <span class="comment">// Does nothing if the current thread holds the mutex. Otherwise, crashes</span></div>
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>&#160;  <span class="comment">// with high probability.</span></div>
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>&#160;  <span class="keywordtype">void</span> AssertHeld()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>&#160;    GTEST_CHECK_(has_owner_ &amp;&amp; pthread_equal(owner_, pthread_self()))</div>
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>&#160;        &lt;&lt; <span class="stringliteral">&quot;The current thread is not holding the mutex @&quot;</span> &lt;&lt; <span class="keyword">this</span>;</div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>&#160;  }</div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>&#160;</div>
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>&#160;  <span class="comment">// A static mutex may be used before main() is entered.  It may even</span></div>
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>&#160;  <span class="comment">// be used before the dynamic initialization stage.  Therefore we</span></div>
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>&#160;  <span class="comment">// must be able to initialize a static mutex object at link time.</span></div>
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>&#160;  <span class="comment">// This means MutexBase has to be a POD and its member variables</span></div>
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>&#160;  <span class="comment">// have to be public.</span></div>
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span>&#160;  pthread_mutex_t mutex_;  <span class="comment">// The underlying pthread mutex.</span></div>
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>&#160;  <span class="comment">// has_owner_ indicates whether the owner_ field below contains a valid thread</span></div>
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span>&#160;  <span class="comment">// ID and is therefore safe to inspect (e.g., to use in pthread_equal()). All</span></div>
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span>&#160;  <span class="comment">// accesses to the owner_ field should be protected by a check of this field.</span></div>
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span>&#160;  <span class="comment">// An alternative might be to memset() owner_ to all zeros, but there&#39;s no</span></div>
<div class="line"><a name="l01961"></a><span class="lineno"> 1961</span>&#160;  <span class="comment">// guarantee that a zero&#39;d pthread_t is necessarily invalid or even different</span></div>
<div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>&#160;  <span class="comment">// from pthread_self().</span></div>
<div class="line"><a name="l01963"></a><span class="lineno"> 1963</span>&#160;  <span class="keywordtype">bool</span> has_owner_;</div>
<div class="line"><a name="l01964"></a><span class="lineno"> 1964</span>&#160;  pthread_t owner_;  <span class="comment">// The thread holding the mutex.</span></div>
<div class="line"><a name="l01965"></a><span class="lineno"> 1965</span>&#160;};</div>
<div class="line"><a name="l01966"></a><span class="lineno"> 1966</span>&#160;</div>
<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span>&#160;<span class="comment">// Forward-declares a static mutex.</span></div>
<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span>&#160;<span class="preprocessor">#  define GTEST_DECLARE_STATIC_MUTEX_(mutex) \</span></div>
<div class="line"><a name="l01969"></a><span class="lineno"> 1969</span>&#160;<span class="preprocessor">     extern ::testing::internal::MutexBase mutex</span></div>
<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span>&#160;<span class="comment">// Defines and statically (i.e. at link time) initializes a static mutex.</span></div>
<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>&#160;<span class="preprocessor">#  define GTEST_DEFINE_STATIC_MUTEX_(mutex) \</span></div>
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>&#160;<span class="preprocessor">     ::testing::internal::MutexBase mutex = { PTHREAD_MUTEX_INITIALIZER, false, pthread_t() }</span></div>
<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>&#160;<span class="comment">// The Mutex class can only be used for mutexes created at runtime. It</span></div>
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>&#160;<span class="comment">// shares its API with MutexBase otherwise.</span></div>
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>&#160;<span class="keyword">class </span>Mutex : <span class="keyword">public</span> MutexBase {</div>
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>&#160;  Mutex() {</div>
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span>&#160;    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&amp;mutex_, NULL));</div>
<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span>&#160;    has_owner_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>&#160;  }</div>
<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>&#160;  ~Mutex() {</div>
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>&#160;    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&amp;mutex_));</div>
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>&#160;  }</div>
<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>&#160;</div>
<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex);</div>
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>&#160;};</div>
<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span>&#160;</div>
<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>&#160;<span class="comment">// We cannot name this class MutexLock because the ctor declaration would</span></div>
<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>&#160;<span class="comment">// conflict with a macro named MutexLock, which is defined on some</span></div>
<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>&#160;<span class="comment">// platforms. That macro is used as a defensive measure to prevent against</span></div>
<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>&#160;<span class="comment">// inadvertent misuses of MutexLock like &quot;MutexLock(&amp;mu)&quot; rather than</span></div>
<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span>&#160;<span class="comment">// &quot;MutexLock l(&amp;mu)&quot;.  Hence the typedef trick below.</span></div>
<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span>&#160;<span class="keyword">class </span>GTestMutexLock {</div>
<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>&#160;  <span class="keyword">explicit</span> GTestMutexLock(MutexBase* mutex)</div>
<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span>&#160;      : mutex_(mutex) { mutex_-&gt;Lock(); }</div>
<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span>&#160;</div>
<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>&#160;  ~GTestMutexLock() { mutex_-&gt;Unlock(); }</div>
<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span>&#160;</div>
<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>&#160;  MutexBase* <span class="keyword">const</span> mutex_;</div>
<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>&#160;</div>
<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock);</div>
<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>&#160;};</div>
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>&#160;</div>
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>&#160;<span class="keyword">typedef</span> GTestMutexLock MutexLock;</div>
<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>&#160;</div>
<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>&#160;<span class="comment">// Helpers for ThreadLocal.</span></div>
<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>&#160;</div>
<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>&#160;<span class="comment">// pthread_key_create() requires DeleteThreadLocalValue() to have</span></div>
<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span>&#160;<span class="comment">// C-linkage.  Therefore it cannot be templatized to access</span></div>
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>&#160;<span class="comment">// ThreadLocal&lt;T&gt;.  Hence the need for class</span></div>
<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>&#160;<span class="comment">// ThreadLocalValueHolderBase.</span></div>
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>&#160;<span class="keyword">class </span>ThreadLocalValueHolderBase {</div>
<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>&#160;  <span class="keyword">virtual</span> ~ThreadLocalValueHolderBase() {}</div>
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>&#160;};</div>
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>&#160;</div>
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>&#160;<span class="comment">// Called by pthread to delete thread-local data stored by</span></div>
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>&#160;<span class="comment">// pthread_setspecific().</span></div>
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> DeleteThreadLocalValue(<span class="keywordtype">void</span>* value_holder) {</div>
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>&#160;  <span class="keyword">delete</span> <span class="keyword">static_cast&lt;</span>ThreadLocalValueHolderBase*<span class="keyword">&gt;</span>(value_holder);</div>
<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>&#160;}</div>
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>&#160;</div>
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>&#160;<span class="comment">// Implements thread-local storage on pthreads-based systems.</span></div>
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>&#160;<span class="keyword">class </span>ThreadLocal {</div>
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span>&#160;  ThreadLocal()</div>
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span>&#160;      : key_(CreateKey()), default_factory_(new DefaultValueHolderFactory()) {}</div>
<div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>&#160;  <span class="keyword">explicit</span> ThreadLocal(<span class="keyword">const</span> T&amp; value)</div>
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</span>&#160;      : key_(CreateKey()),</div>
<div class="line"><a name="l02036"></a><span class="lineno"> 2036</span>&#160;        default_factory_(new InstanceValueHolderFactory(value)) {}</div>
<div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>&#160;</div>
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>&#160;  ~ThreadLocal() {</div>
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>&#160;    <span class="comment">// Destroys the managed object for the current thread, if any.</span></div>
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>&#160;    DeleteThreadLocalValue(pthread_getspecific(key_));</div>
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>&#160;</div>
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>&#160;    <span class="comment">// Releases resources associated with the key.  This will *not*</span></div>
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>&#160;    <span class="comment">// delete managed objects for other threads.</span></div>
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span>&#160;    GTEST_CHECK_POSIX_SUCCESS_(pthread_key_delete(key_));</div>
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span>&#160;  }</div>
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span>&#160;</div>
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span>&#160;  T* pointer() { <span class="keywordflow">return</span> GetOrCreateValue(); }</div>
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span>&#160;  <span class="keyword">const</span> T* pointer()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> GetOrCreateValue(); }</div>
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span>&#160;  <span class="keyword">const</span> T&amp; <span class="keyword">get</span>() <span class="keyword">const</span> { <span class="keywordflow">return</span> *pointer(); }</div>
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span>&#160;  <span class="keywordtype">void</span> set(<span class="keyword">const</span> T&amp; value) { *pointer() = value; }</div>
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span>&#160;</div>
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span>&#160;  <span class="comment">// Holds a value of type T.</span></div>
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>&#160;  <span class="keyword">class </span>ValueHolder : <span class="keyword">public</span> ThreadLocalValueHolderBase {</div>
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>&#160;    ValueHolder() : value_() {}</div>
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>&#160;    <span class="keyword">explicit</span> ValueHolder(<span class="keyword">const</span> T&amp; value) : value_(value) {}</div>
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span>&#160;</div>
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span>&#160;    T* pointer() { <span class="keywordflow">return</span> &amp;value_; }</div>
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>&#160;</div>
<div class="line"><a name="l02061"></a><span class="lineno"> 2061</span>&#160;   <span class="keyword">private</span>:</div>
<div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>&#160;    T value_;</div>
<div class="line"><a name="l02063"></a><span class="lineno"> 2063</span>&#160;    GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder);</div>
<div class="line"><a name="l02064"></a><span class="lineno"> 2064</span>&#160;  };</div>
<div class="line"><a name="l02065"></a><span class="lineno"> 2065</span>&#160;</div>
<div class="line"><a name="l02066"></a><span class="lineno"> 2066</span>&#160;  <span class="keyword">static</span> pthread_key_t CreateKey() {</div>
<div class="line"><a name="l02067"></a><span class="lineno"> 2067</span>&#160;    pthread_key_t key;</div>
<div class="line"><a name="l02068"></a><span class="lineno"> 2068</span>&#160;    <span class="comment">// When a thread exits, DeleteThreadLocalValue() will be called on</span></div>
<div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>&#160;    <span class="comment">// the object managed for that thread.</span></div>
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</span>&#160;    GTEST_CHECK_POSIX_SUCCESS_(</div>
<div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>&#160;        pthread_key_create(&amp;key, &amp;DeleteThreadLocalValue));</div>
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>&#160;    <span class="keywordflow">return</span> key;</div>
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>&#160;  }</div>
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>&#160;</div>
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>&#160;  T* GetOrCreateValue()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>&#160;    ThreadLocalValueHolderBase* <span class="keyword">const</span> holder =</div>
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>&#160;        <span class="keyword">static_cast&lt;</span>ThreadLocalValueHolderBase*<span class="keyword">&gt;</span>(pthread_getspecific(key_));</div>
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span>&#160;    <span class="keywordflow">if</span> (holder != NULL) {</div>
<div class="line"><a name="l02079"></a><span class="lineno"> 2079</span>&#160;      <span class="keywordflow">return</span> CheckedDowncastToActualType&lt;ValueHolder&gt;(holder)-&gt;pointer();</div>
<div class="line"><a name="l02080"></a><span class="lineno"> 2080</span>&#160;    }</div>
<div class="line"><a name="l02081"></a><span class="lineno"> 2081</span>&#160;</div>
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span>&#160;    ValueHolder* <span class="keyword">const</span> new_holder = default_factory_-&gt;MakeNewHolder();</div>
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>&#160;    ThreadLocalValueHolderBase* <span class="keyword">const</span> holder_base = new_holder;</div>
<div class="line"><a name="l02084"></a><span class="lineno"> 2084</span>&#160;    GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_, holder_base));</div>
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>&#160;    <span class="keywordflow">return</span> new_holder-&gt;pointer();</div>
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span>&#160;  }</div>
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>&#160;</div>
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>&#160;  <span class="keyword">class </span>ValueHolderFactory {</div>
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l02090"></a><span class="lineno"> 2090</span>&#160;    ValueHolderFactory() {}</div>
<div class="line"><a name="l02091"></a><span class="lineno"> 2091</span>&#160;    <span class="keyword">virtual</span> ~ValueHolderFactory() {}</div>
<div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>&#160;    <span class="keyword">virtual</span> ValueHolder* MakeNewHolder() <span class="keyword">const</span> = 0;</div>
<div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>&#160;</div>
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span>&#160;   <span class="keyword">private</span>:</div>
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>&#160;    GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolderFactory);</div>
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span>&#160;  };</div>
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>&#160;</div>
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span>&#160;  <span class="keyword">class </span>DefaultValueHolderFactory : <span class="keyword">public</span> ValueHolderFactory {</div>
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l02100"></a><span class="lineno"> 2100</span>&#160;    DefaultValueHolderFactory() {}</div>
<div class="line"><a name="l02101"></a><span class="lineno"> 2101</span>&#160;    <span class="keyword">virtual</span> ValueHolder* MakeNewHolder()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">new</span> ValueHolder(); }</div>
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>&#160;</div>
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span>&#160;   <span class="keyword">private</span>:</div>
<div class="line"><a name="l02104"></a><span class="lineno"> 2104</span>&#160;    GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultValueHolderFactory);</div>
<div class="line"><a name="l02105"></a><span class="lineno"> 2105</span>&#160;  };</div>
<div class="line"><a name="l02106"></a><span class="lineno"> 2106</span>&#160;</div>
<div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>&#160;  <span class="keyword">class </span>InstanceValueHolderFactory : <span class="keyword">public</span> ValueHolderFactory {</div>
<div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>&#160;   <span class="keyword">public</span>:</div>
<div class="line"><a name="l02109"></a><span class="lineno"> 2109</span>&#160;    <span class="keyword">explicit</span> InstanceValueHolderFactory(<span class="keyword">const</span> T&amp; value) : value_(value) {}</div>
<div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>&#160;    <span class="keyword">virtual</span> ValueHolder* MakeNewHolder()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">new</span> ValueHolder(value_);</div>
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>&#160;    }</div>
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span>&#160;</div>
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span>&#160;   <span class="keyword">private</span>:</div>
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>&#160;    <span class="keyword">const</span> T value_;  <span class="comment">// The value for each thread.</span></div>
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>&#160;</div>
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>&#160;    GTEST_DISALLOW_COPY_AND_ASSIGN_(InstanceValueHolderFactory);</div>
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>&#160;  };</div>
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>&#160;</div>
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span>&#160;  <span class="comment">// A key pthreads uses for looking up per-thread values.</span></div>
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span>&#160;  <span class="keyword">const</span> pthread_key_t key_;</div>
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span>&#160;  scoped_ptr&lt;ValueHolderFactory&gt; default_factory_;</div>
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span>&#160;</div>
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>&#160;  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal);</div>
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span>&#160;};</div>
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>&#160;</div>
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>&#160;<span class="preprocessor"># endif  // GTEST_HAS_MUTEX_AND_THREAD_LOCAL_</span></div>
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span>&#160;<span class="preprocessor">#else  // GTEST_IS_THREADSAFE</span></div>
<div class="line"><a name="l02130"></a><span class="lineno"> 2130</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02131"></a><span class="lineno"> 2131</span>&#160;<span class="comment">// A dummy implementation of synchronization primitives (mutex, lock,</span></div>
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>&#160;<span class="comment">// and thread-local variable).  Necessary for compiling Google Test where</span></div>
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>&#160;<span class="comment">// mutex is not supported - using Google Test in multiple threads is not</span></div>
<div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>&#160;<span class="comment">// supported on such platforms.</span></div>
<div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>&#160;</div>
<div class="line"><a name="l02136"></a><span class="lineno"><a class="line" href="classtesting_1_1internal_1_1Mutex.html"> 2136</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtesting_1_1internal_1_1Mutex.html">Mutex</a> {</div>
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l02138"></a><span class="lineno"> 2138</span>&#160;  <a class="code" href="classtesting_1_1internal_1_1Mutex.html">Mutex</a>() {}</div>
<div class="line"><a name="l02139"></a><span class="lineno"> 2139</span>&#160;  <span class="keywordtype">void</span> Lock() {}</div>
<div class="line"><a name="l02140"></a><span class="lineno"> 2140</span>&#160;  <span class="keywordtype">void</span> Unlock() {}</div>
<div class="line"><a name="l02141"></a><span class="lineno"> 2141</span>&#160;  <span class="keywordtype">void</span> AssertHeld()<span class="keyword"> const </span>{}</div>
<div class="line"><a name="l02142"></a><span class="lineno"> 2142</span>&#160;};</div>
<div class="line"><a name="l02143"></a><span class="lineno"> 2143</span>&#160;</div>
<div class="line"><a name="l02144"></a><span class="lineno"> 2144</span>&#160;<span class="preprocessor"># define GTEST_DECLARE_STATIC_MUTEX_(mutex) \</span></div>
<div class="line"><a name="l02145"></a><span class="lineno"> 2145</span>&#160;<span class="preprocessor">  extern ::testing::internal::Mutex mutex</span></div>
<div class="line"><a name="l02146"></a><span class="lineno"> 2146</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02147"></a><span class="lineno"> 2147</span>&#160;<span class="preprocessor"># define GTEST_DEFINE_STATIC_MUTEX_(mutex) ::testing::internal::Mutex mutex</span></div>
<div class="line"><a name="l02148"></a><span class="lineno"> 2148</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02149"></a><span class="lineno"> 2149</span>&#160;<span class="comment">// We cannot name this class MutexLock because the ctor declaration would</span></div>
<div class="line"><a name="l02150"></a><span class="lineno"> 2150</span>&#160;<span class="comment">// conflict with a macro named MutexLock, which is defined on some</span></div>
<div class="line"><a name="l02151"></a><span class="lineno"> 2151</span>&#160;<span class="comment">// platforms. That macro is used as a defensive measure to prevent against</span></div>
<div class="line"><a name="l02152"></a><span class="lineno"> 2152</span>&#160;<span class="comment">// inadvertent misuses of MutexLock like &quot;MutexLock(&amp;mu)&quot; rather than</span></div>
<div class="line"><a name="l02153"></a><span class="lineno"> 2153</span>&#160;<span class="comment">// &quot;MutexLock l(&amp;mu)&quot;.  Hence the typedef trick below.</span></div>
<div class="line"><a name="l02154"></a><span class="lineno"><a class="line" href="classtesting_1_1internal_1_1GTestMutexLock.html"> 2154</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtesting_1_1internal_1_1GTestMutexLock.html">GTestMutexLock</a> {</div>
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l02156"></a><span class="lineno"> 2156</span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classtesting_1_1internal_1_1GTestMutexLock.html">GTestMutexLock</a>(<a class="code" href="classtesting_1_1internal_1_1Mutex.html">Mutex</a>*) {}  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>&#160;};</div>
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>&#160;</div>
<div class="line"><a name="l02159"></a><span class="lineno"> 2159</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classtesting_1_1internal_1_1GTestMutexLock.html">GTestMutexLock</a> MutexLock;</div>
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</span>&#160;</div>
<div class="line"><a name="l02161"></a><span class="lineno"> 2161</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l02162"></a><span class="lineno"><a class="line" href="classtesting_1_1internal_1_1ThreadLocal.html"> 2162</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtesting_1_1internal_1_1ThreadLocal.html">ThreadLocal</a> {</div>
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span>&#160;  <a class="code" href="classtesting_1_1internal_1_1ThreadLocal.html">ThreadLocal</a>() : value_() {}</div>
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classtesting_1_1internal_1_1ThreadLocal.html">ThreadLocal</a>(<span class="keyword">const</span> T&amp; value) : value_(value) {}</div>
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span>&#160;  T* pointer() { <span class="keywordflow">return</span> &amp;value_; }</div>
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span>&#160;  <span class="keyword">const</span> T* pointer()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> &amp;value_; }</div>
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span>&#160;  <span class="keyword">const</span> T&amp; <span class="keyword">get</span>() <span class="keyword">const</span> { <span class="keywordflow">return</span> value_; }</div>
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span>&#160;  <span class="keywordtype">void</span> set(<span class="keyword">const</span> T&amp; value) { value_ = value; }</div>
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l02171"></a><span class="lineno"> 2171</span>&#160;  T value_;</div>
<div class="line"><a name="l02172"></a><span class="lineno"> 2172</span>&#160;};</div>
<div class="line"><a name="l02173"></a><span class="lineno"> 2173</span>&#160;</div>
<div class="line"><a name="l02174"></a><span class="lineno"> 2174</span>&#160;<span class="preprocessor">#endif  // GTEST_IS_THREADSAFE</span></div>
<div class="line"><a name="l02175"></a><span class="lineno"> 2175</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>&#160;<span class="comment">// Returns the number of threads running in the process, or 0 to indicate that</span></div>
<div class="line"><a name="l02177"></a><span class="lineno"> 2177</span>&#160;<span class="comment">// we cannot detect it.</span></div>
<div class="line"><a name="l02178"></a><span class="lineno"> 2178</span>&#160;GTEST_API_ <span class="keywordtype">size_t</span> GetThreadCount();</div>
<div class="line"><a name="l02179"></a><span class="lineno"> 2179</span>&#160;</div>
<div class="line"><a name="l02180"></a><span class="lineno"> 2180</span>&#160;<span class="comment">// Passing non-POD classes through ellipsis (...) crashes the ARM</span></div>
<div class="line"><a name="l02181"></a><span class="lineno"> 2181</span>&#160;<span class="comment">// compiler and generates a warning in Sun Studio.  The Nokia Symbian</span></div>
<div class="line"><a name="l02182"></a><span class="lineno"> 2182</span>&#160;<span class="comment">// and the IBM XL C/C++ compiler try to instantiate a copy constructor</span></div>
<div class="line"><a name="l02183"></a><span class="lineno"> 2183</span>&#160;<span class="comment">// for objects passed through ellipsis (...), failing for uncopyable</span></div>
<div class="line"><a name="l02184"></a><span class="lineno"> 2184</span>&#160;<span class="comment">// objects.  We define this to ensure that only POD is passed through</span></div>
<div class="line"><a name="l02185"></a><span class="lineno"> 2185</span>&#160;<span class="comment">// ellipsis on these systems.</span></div>
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>&#160;<span class="preprocessor">#if defined(__SYMBIAN32__) || defined(__IBMCPP__) || defined(__SUNPRO_CC)</span></div>
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>&#160;<span class="preprocessor"></span><span class="comment">// We lose support for NULL detection where the compiler doesn&#39;t like</span></div>
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>&#160;<span class="comment">// passing non-POD classes through ellipsis (...).</span></div>
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>&#160;<span class="preprocessor"># define GTEST_ELLIPSIS_NEEDS_POD_ 1</span></div>
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_CAN_COMPARE_NULL 1</span></div>
<div class="line"><a name="l02192"></a><span class="lineno"> 2192</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l02193"></a><span class="lineno"> 2193</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02194"></a><span class="lineno"> 2194</span>&#160;<span class="comment">// The Nokia Symbian and IBM XL C/C++ compilers cannot decide between</span></div>
<div class="line"><a name="l02195"></a><span class="lineno"> 2195</span>&#160;<span class="comment">// const T&amp; and const T* in a function template.  These compilers</span></div>
<div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>&#160;<span class="comment">// _can_ decide between class template specializations for T and T*,</span></div>
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</span>&#160;<span class="comment">// so a tr1::type_traits-like is_pointer works.</span></div>
<div class="line"><a name="l02198"></a><span class="lineno"> 2198</span>&#160;<span class="preprocessor">#if defined(__SYMBIAN32__) || defined(__IBMCPP__)</span></div>
<div class="line"><a name="l02199"></a><span class="lineno"> 2199</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_NEEDS_IS_POINTER_ 1</span></div>
<div class="line"><a name="l02200"></a><span class="lineno"> 2200</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02202"></a><span class="lineno"> 2202</span>&#160;<span class="keyword">template</span> &lt;<span class="keywordtype">bool</span> <span class="keywordtype">bool</span>_value&gt;</div>
<div class="line"><a name="l02203"></a><span class="lineno"><a class="line" href="structtesting_1_1internal_1_1bool__constant.html"> 2203</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtesting_1_1internal_1_1bool__constant.html">bool_constant</a> {</div>
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>&#160;  <span class="keyword">typedef</span> <a class="code" href="structtesting_1_1internal_1_1bool__constant.html">bool_constant&lt;bool_value&gt;</a> <a class="code" href="structtesting_1_1internal_1_1bool__constant.html">type</a>;</div>
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> value = bool_value;</div>
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>&#160;};</div>
<div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>&#160;<span class="keyword">template</span> &lt;<span class="keywordtype">bool</span> <span class="keywordtype">bool</span>_value&gt; <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code" href="structtesting_1_1internal_1_1bool__constant.html">bool_constant&lt;bool_value&gt;::value</a>;</div>
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span>&#160;</div>
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>&#160;<span class="keyword">typedef</span> <a class="code" href="structtesting_1_1internal_1_1bool__constant.html">bool_constant&lt;false&gt;</a> <a class="code" href="structtesting_1_1internal_1_1bool__constant.html">false_type</a>;</div>
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>&#160;<span class="keyword">typedef</span> <a class="code" href="structtesting_1_1internal_1_1bool__constant.html">bool_constant&lt;true&gt;</a> <a class="code" href="structtesting_1_1internal_1_1bool__constant.html">true_type</a>;</div>
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</span>&#160;</div>
<div class="line"><a name="l02212"></a><span class="lineno"> 2212</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l02213"></a><span class="lineno"><a class="line" href="structtesting_1_1internal_1_1is__pointer.html"> 2213</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtesting_1_1internal_1_1is__pointer.html">is_pointer</a> : <span class="keyword">public</span> false_type {};</div>
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>&#160;</div>
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l02216"></a><span class="lineno"><a class="line" href="structtesting_1_1internal_1_1is__pointer_3_01T_01_5_01_4.html"> 2216</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtesting_1_1internal_1_1is__pointer.html">is_pointer</a>&lt;T*&gt; : <span class="keyword">public</span> true_type {};</div>
<div class="line"><a name="l02217"></a><span class="lineno"> 2217</span>&#160;</div>
<div class="line"><a name="l02218"></a><span class="lineno"> 2218</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterator&gt;</div>
<div class="line"><a name="l02219"></a><span class="lineno"><a class="line" href="structtesting_1_1internal_1_1IteratorTraits.html"> 2219</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtesting_1_1internal_1_1IteratorTraits.html">IteratorTraits</a> {</div>
<div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> Iterator::value_type value_type;</div>
<div class="line"><a name="l02221"></a><span class="lineno"> 2221</span>&#160;};</div>
<div class="line"><a name="l02222"></a><span class="lineno"> 2222</span>&#160;</div>
<div class="line"><a name="l02223"></a><span class="lineno"> 2223</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l02224"></a><span class="lineno"><a class="line" href="structtesting_1_1internal_1_1IteratorTraits_3_01T_01_5_01_4.html"> 2224</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtesting_1_1internal_1_1IteratorTraits.html">IteratorTraits</a>&lt;T*&gt; {</div>
<div class="line"><a name="l02225"></a><span class="lineno"> 2225</span>&#160;  <span class="keyword">typedef</span> T value_type;</div>
<div class="line"><a name="l02226"></a><span class="lineno"> 2226</span>&#160;};</div>
<div class="line"><a name="l02227"></a><span class="lineno"> 2227</span>&#160;</div>
<div class="line"><a name="l02228"></a><span class="lineno"> 2228</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l02229"></a><span class="lineno"><a class="line" href="structtesting_1_1internal_1_1IteratorTraits_3_01const_01T_01_5_01_4.html"> 2229</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtesting_1_1internal_1_1IteratorTraits.html">IteratorTraits</a>&lt;const T*&gt; {</div>
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span>&#160;  <span class="keyword">typedef</span> T value_type;</div>
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span>&#160;};</div>
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>&#160;</div>
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span>&#160;<span class="preprocessor">#if GTEST_OS_WINDOWS</span></div>
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_PATH_SEP_ &quot;\\&quot;</span></div>
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_ALT_PATH_SEP_ 1</span></div>
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>&#160;<span class="preprocessor"></span><span class="comment">// The biggest signed integer type the compiler supports.</span></div>
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span>&#160;<span class="keyword">typedef</span> __int64 BiggestInt;</div>
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_PATH_SEP_ &quot;/&quot;</span></div>
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_HAS_ALT_PATH_SEP_ 0</span></div>
<div class="line"><a name="l02241"></a><span class="lineno"> 2241</span>&#160;<span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> BiggestInt;  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>&#160;<span class="preprocessor">#endif  // GTEST_OS_WINDOWS</span></div>
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>&#160;<span class="comment">// Utilities for char.</span></div>
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span>&#160;</div>
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>&#160;<span class="comment">// isspace(int ch) and friends accept an unsigned char or EOF.  char</span></div>
<div class="line"><a name="l02247"></a><span class="lineno"> 2247</span>&#160;<span class="comment">// may be signed, depending on the compiler (or compiler flags).</span></div>
<div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>&#160;<span class="comment">// Therefore we need to cast a char to unsigned char before calling</span></div>
<div class="line"><a name="l02249"></a><span class="lineno"> 2249</span>&#160;<span class="comment">// isspace(), etc.</span></div>
<div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>&#160;</div>
<div class="line"><a name="l02251"></a><span class="lineno"> 2251</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsAlpha(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a name="l02252"></a><span class="lineno"> 2252</span>&#160;  <span class="keywordflow">return</span> isalpha(static_cast&lt;unsigned char&gt;(ch)) != 0;</div>
<div class="line"><a name="l02253"></a><span class="lineno"> 2253</span>&#160;}</div>
<div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsAlNum(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a name="l02255"></a><span class="lineno"> 2255</span>&#160;  <span class="keywordflow">return</span> isalnum(static_cast&lt;unsigned char&gt;(ch)) != 0;</div>
<div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>&#160;}</div>
<div class="line"><a name="l02257"></a><span class="lineno"> 2257</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsDigit(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a name="l02258"></a><span class="lineno"> 2258</span>&#160;  <span class="keywordflow">return</span> isdigit(static_cast&lt;unsigned char&gt;(ch)) != 0;</div>
<div class="line"><a name="l02259"></a><span class="lineno"> 2259</span>&#160;}</div>
<div class="line"><a name="l02260"></a><span class="lineno"> 2260</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsLower(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a name="l02261"></a><span class="lineno"> 2261</span>&#160;  <span class="keywordflow">return</span> islower(static_cast&lt;unsigned char&gt;(ch)) != 0;</div>
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span>&#160;}</div>
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsSpace(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a name="l02264"></a><span class="lineno"> 2264</span>&#160;  <span class="keywordflow">return</span> isspace(static_cast&lt;unsigned char&gt;(ch)) != 0;</div>
<div class="line"><a name="l02265"></a><span class="lineno"> 2265</span>&#160;}</div>
<div class="line"><a name="l02266"></a><span class="lineno"> 2266</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsUpper(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a name="l02267"></a><span class="lineno"> 2267</span>&#160;  <span class="keywordflow">return</span> isupper(static_cast&lt;unsigned char&gt;(ch)) != 0;</div>
<div class="line"><a name="l02268"></a><span class="lineno"> 2268</span>&#160;}</div>
<div class="line"><a name="l02269"></a><span class="lineno"> 2269</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsXDigit(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a name="l02270"></a><span class="lineno"> 2270</span>&#160;  <span class="keywordflow">return</span> isxdigit(static_cast&lt;unsigned char&gt;(ch)) != 0;</div>
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span>&#160;}</div>
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsXDigit(<span class="keywordtype">wchar_t</span> ch) {</div>
<div class="line"><a name="l02273"></a><span class="lineno"> 2273</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> low_byte = <span class="keyword">static_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">&gt;</span>(ch);</div>
<div class="line"><a name="l02274"></a><span class="lineno"> 2274</span>&#160;  <span class="keywordflow">return</span> ch == low_byte &amp;&amp; isxdigit(low_byte) != 0;</div>
<div class="line"><a name="l02275"></a><span class="lineno"> 2275</span>&#160;}</div>
<div class="line"><a name="l02276"></a><span class="lineno"> 2276</span>&#160;</div>
<div class="line"><a name="l02277"></a><span class="lineno"> 2277</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">char</span> ToLower(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a name="l02278"></a><span class="lineno"> 2278</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">char</span><span class="keyword">&gt;</span>(tolower(static_cast&lt;unsigned char&gt;(ch)));</div>
<div class="line"><a name="l02279"></a><span class="lineno"> 2279</span>&#160;}</div>
<div class="line"><a name="l02280"></a><span class="lineno"> 2280</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">char</span> ToUpper(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a name="l02281"></a><span class="lineno"> 2281</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">char</span><span class="keyword">&gt;</span>(toupper(static_cast&lt;unsigned char&gt;(ch)));</div>
<div class="line"><a name="l02282"></a><span class="lineno"> 2282</span>&#160;}</div>
<div class="line"><a name="l02283"></a><span class="lineno"> 2283</span>&#160;</div>
<div class="line"><a name="l02284"></a><span class="lineno"> 2284</span>&#160;<span class="keyword">inline</span> std::string StripTrailingSpaces(std::string str) {</div>
<div class="line"><a name="l02285"></a><span class="lineno"> 2285</span>&#160;  std::string::iterator it = str.end();</div>
<div class="line"><a name="l02286"></a><span class="lineno"> 2286</span>&#160;  <span class="keywordflow">while</span> (it != str.begin() &amp;&amp; IsSpace(*--it))</div>
<div class="line"><a name="l02287"></a><span class="lineno"> 2287</span>&#160;    it = str.erase(it);</div>
<div class="line"><a name="l02288"></a><span class="lineno"> 2288</span>&#160;  <span class="keywordflow">return</span> str;</div>
<div class="line"><a name="l02289"></a><span class="lineno"> 2289</span>&#160;}</div>
<div class="line"><a name="l02290"></a><span class="lineno"> 2290</span>&#160;</div>
<div class="line"><a name="l02291"></a><span class="lineno"> 2291</span>&#160;<span class="comment">// The testing::internal::posix namespace holds wrappers for common</span></div>
<div class="line"><a name="l02292"></a><span class="lineno"> 2292</span>&#160;<span class="comment">// POSIX functions.  These wrappers hide the differences between</span></div>
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span>&#160;<span class="comment">// Windows/MSVC and POSIX systems.  Since some compilers define these</span></div>
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span>&#160;<span class="comment">// standard functions as macros, the wrapper cannot have the same name</span></div>
<div class="line"><a name="l02295"></a><span class="lineno"> 2295</span>&#160;<span class="comment">// as the wrapped function.</span></div>
<div class="line"><a name="l02296"></a><span class="lineno"> 2296</span>&#160;</div>
<div class="line"><a name="l02297"></a><span class="lineno"> 2297</span>&#160;<span class="keyword">namespace </span>posix {</div>
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>&#160;</div>
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span>&#160;<span class="comment">// Functions with a different name on Windows.</span></div>
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</span>&#160;</div>
<div class="line"><a name="l02301"></a><span class="lineno"> 2301</span>&#160;<span class="preprocessor">#if GTEST_OS_WINDOWS</span></div>
<div class="line"><a name="l02302"></a><span class="lineno"> 2302</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02303"></a><span class="lineno"> 2303</span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span>_stat StatStruct;</div>
<div class="line"><a name="l02304"></a><span class="lineno"> 2304</span>&#160;</div>
<div class="line"><a name="l02305"></a><span class="lineno"> 2305</span>&#160;<span class="preprocessor"># ifdef __BORLANDC__</span></div>
<div class="line"><a name="l02306"></a><span class="lineno"> 2306</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> IsATTY(<span class="keywordtype">int</span> fd) { <span class="keywordflow">return</span> isatty(fd); }</div>
<div class="line"><a name="l02307"></a><span class="lineno"> 2307</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> StrCaseCmp(<span class="keyword">const</span> <span class="keywordtype">char</span>* s1, <span class="keyword">const</span> <span class="keywordtype">char</span>* s2) {</div>
<div class="line"><a name="l02308"></a><span class="lineno"> 2308</span>&#160;  <span class="keywordflow">return</span> stricmp(s1, s2);</div>
<div class="line"><a name="l02309"></a><span class="lineno"> 2309</span>&#160;}</div>
<div class="line"><a name="l02310"></a><span class="lineno"> 2310</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">char</span>* StrDup(<span class="keyword">const</span> <span class="keywordtype">char</span>* src) { <span class="keywordflow">return</span> strdup(src); }</div>
<div class="line"><a name="l02311"></a><span class="lineno"> 2311</span>&#160;<span class="preprocessor"># else  // !__BORLANDC__</span></div>
<div class="line"><a name="l02312"></a><span class="lineno"> 2312</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#  if GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l02313"></a><span class="lineno"> 2313</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> IsATTY(<span class="keywordtype">int</span> <span class="comment">/* fd */</span>) { <span class="keywordflow">return</span> 0; }</div>
<div class="line"><a name="l02314"></a><span class="lineno"> 2314</span>&#160;<span class="preprocessor">#  else</span></div>
<div class="line"><a name="l02315"></a><span class="lineno"> 2315</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> IsATTY(<span class="keywordtype">int</span> fd) { <span class="keywordflow">return</span> _isatty(fd); }</div>
<div class="line"><a name="l02316"></a><span class="lineno"> 2316</span>&#160;<span class="preprocessor">#  endif  // GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l02317"></a><span class="lineno"> 2317</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> StrCaseCmp(<span class="keyword">const</span> <span class="keywordtype">char</span>* s1, <span class="keyword">const</span> <span class="keywordtype">char</span>* s2) {</div>
<div class="line"><a name="l02318"></a><span class="lineno"> 2318</span>&#160;  <span class="keywordflow">return</span> _stricmp(s1, s2);</div>
<div class="line"><a name="l02319"></a><span class="lineno"> 2319</span>&#160;}</div>
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">char</span>* StrDup(<span class="keyword">const</span> <span class="keywordtype">char</span>* src) { <span class="keywordflow">return</span> _strdup(src); }</div>
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span>&#160;<span class="preprocessor"># endif  // __BORLANDC__</span></div>
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>&#160;<span class="preprocessor"># if GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> FileNo(FILE* file) { <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(_fileno(file)); }</div>
<div class="line"><a name="l02325"></a><span class="lineno"> 2325</span>&#160;<span class="comment">// Stat(), RmDir(), and IsDir() are not needed on Windows CE at this</span></div>
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span>&#160;<span class="comment">// time and thus not defined there.</span></div>
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span>&#160;<span class="preprocessor"># else</span></div>
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> FileNo(FILE* file) { <span class="keywordflow">return</span> _fileno(file); }</div>
<div class="line"><a name="l02329"></a><span class="lineno"> 2329</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> Stat(<span class="keyword">const</span> <span class="keywordtype">char</span>* path, StatStruct* buf) { <span class="keywordflow">return</span> _stat(path, buf); }</div>
<div class="line"><a name="l02330"></a><span class="lineno"> 2330</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> RmDir(<span class="keyword">const</span> <span class="keywordtype">char</span>* dir) { <span class="keywordflow">return</span> _rmdir(dir); }</div>
<div class="line"><a name="l02331"></a><span class="lineno"> 2331</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsDir(<span class="keyword">const</span> StatStruct&amp; st) {</div>
<div class="line"><a name="l02332"></a><span class="lineno"> 2332</span>&#160;  <span class="keywordflow">return</span> (_S_IFDIR &amp; st.st_mode) != 0;</div>
<div class="line"><a name="l02333"></a><span class="lineno"> 2333</span>&#160;}</div>
<div class="line"><a name="l02334"></a><span class="lineno"> 2334</span>&#160;<span class="preprocessor"># endif  // GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l02335"></a><span class="lineno"> 2335</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02336"></a><span class="lineno"> 2336</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l02337"></a><span class="lineno"> 2337</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02338"></a><span class="lineno"> 2338</span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span>stat StatStruct;</div>
<div class="line"><a name="l02339"></a><span class="lineno"> 2339</span>&#160;</div>
<div class="line"><a name="l02340"></a><span class="lineno"> 2340</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> FileNo(FILE* file) { <span class="keywordflow">return</span> fileno(file); }</div>
<div class="line"><a name="l02341"></a><span class="lineno"> 2341</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> IsATTY(<span class="keywordtype">int</span> fd) { <span class="keywordflow">return</span> isatty(fd); }</div>
<div class="line"><a name="l02342"></a><span class="lineno"> 2342</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> Stat(<span class="keyword">const</span> <span class="keywordtype">char</span>* path, StatStruct* buf) { <span class="keywordflow">return</span> stat(path, buf); }</div>
<div class="line"><a name="l02343"></a><span class="lineno"> 2343</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> StrCaseCmp(<span class="keyword">const</span> <span class="keywordtype">char</span>* s1, <span class="keyword">const</span> <span class="keywordtype">char</span>* s2) {</div>
<div class="line"><a name="l02344"></a><span class="lineno"> 2344</span>&#160;  <span class="keywordflow">return</span> strcasecmp(s1, s2);</div>
<div class="line"><a name="l02345"></a><span class="lineno"> 2345</span>&#160;}</div>
<div class="line"><a name="l02346"></a><span class="lineno"> 2346</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">char</span>* StrDup(<span class="keyword">const</span> <span class="keywordtype">char</span>* src) { <span class="keywordflow">return</span> strdup(src); }</div>
<div class="line"><a name="l02347"></a><span class="lineno"> 2347</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> RmDir(<span class="keyword">const</span> <span class="keywordtype">char</span>* dir) { <span class="keywordflow">return</span> rmdir(dir); }</div>
<div class="line"><a name="l02348"></a><span class="lineno"> 2348</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> IsDir(<span class="keyword">const</span> StatStruct&amp; st) { <span class="keywordflow">return</span> S_ISDIR(st.st_mode); }</div>
<div class="line"><a name="l02349"></a><span class="lineno"> 2349</span>&#160;</div>
<div class="line"><a name="l02350"></a><span class="lineno"> 2350</span>&#160;<span class="preprocessor">#endif  // GTEST_OS_WINDOWS</span></div>
<div class="line"><a name="l02351"></a><span class="lineno"> 2351</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02352"></a><span class="lineno"> 2352</span>&#160;<span class="comment">// Functions deprecated by MSVC 8.0.</span></div>
<div class="line"><a name="l02353"></a><span class="lineno"> 2353</span>&#160;</div>
<div class="line"><a name="l02354"></a><span class="lineno"> 2354</span>&#160;GTEST_DISABLE_MSC_WARNINGS_PUSH_(4996 <span class="comment">/* deprecated function */</span>)</div>
<div class="line"><a name="l02355"></a><span class="lineno"> 2355</span>&#160;</div>
<div class="line"><a name="l02356"></a><span class="lineno"> 2356</span>&#160;inline const <span class="keywordtype">char</span>* StrNCpy(<span class="keywordtype">char</span>* dest, const <span class="keywordtype">char</span>* src, <span class="keywordtype">size_t</span> n) {</div>
<div class="line"><a name="l02357"></a><span class="lineno"> 2357</span>&#160;  <span class="keywordflow">return</span> strncpy(dest, src, n);</div>
<div class="line"><a name="l02358"></a><span class="lineno"> 2358</span>&#160;}</div>
<div class="line"><a name="l02359"></a><span class="lineno"> 2359</span>&#160;</div>
<div class="line"><a name="l02360"></a><span class="lineno"> 2360</span>&#160;<span class="comment">// ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and</span></div>
<div class="line"><a name="l02361"></a><span class="lineno"> 2361</span>&#160;<span class="comment">// StrError() aren&#39;t needed on Windows CE at this time and thus not</span></div>
<div class="line"><a name="l02362"></a><span class="lineno"> 2362</span>&#160;<span class="comment">// defined there.</span></div>
<div class="line"><a name="l02363"></a><span class="lineno"> 2363</span>&#160;</div>
<div class="line"><a name="l02364"></a><span class="lineno"> 2364</span>&#160;<span class="preprocessor">#if !GTEST_OS_WINDOWS_MOBILE &amp;&amp; !GTEST_OS_WINDOWS_PHONE &amp;&amp; !GTEST_OS_WINDOWS_RT</span></div>
<div class="line"><a name="l02365"></a><span class="lineno"> 2365</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> ChDir(<span class="keyword">const</span> <span class="keywordtype">char</span>* dir) { <span class="keywordflow">return</span> chdir(dir); }</div>
<div class="line"><a name="l02366"></a><span class="lineno"> 2366</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l02367"></a><span class="lineno"> 2367</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> FILE* FOpen(<span class="keyword">const</span> <span class="keywordtype">char</span>* path, <span class="keyword">const</span> <span class="keywordtype">char</span>* mode) {</div>
<div class="line"><a name="l02368"></a><span class="lineno"> 2368</span>&#160;  <span class="keywordflow">return</span> fopen(path, mode);</div>
<div class="line"><a name="l02369"></a><span class="lineno"> 2369</span>&#160;}</div>
<div class="line"><a name="l02370"></a><span class="lineno"> 2370</span>&#160;<span class="preprocessor">#if !GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l02371"></a><span class="lineno"> 2371</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> FILE *FReopen(<span class="keyword">const</span> <span class="keywordtype">char</span>* path, <span class="keyword">const</span> <span class="keywordtype">char</span>* mode, FILE* stream) {</div>
<div class="line"><a name="l02372"></a><span class="lineno"> 2372</span>&#160;  <span class="keywordflow">return</span> freopen(path, mode, stream);</div>
<div class="line"><a name="l02373"></a><span class="lineno"> 2373</span>&#160;}</div>
<div class="line"><a name="l02374"></a><span class="lineno"> 2374</span>&#160;<span class="keyword">inline</span> FILE* FDOpen(<span class="keywordtype">int</span> fd, <span class="keyword">const</span> <span class="keywordtype">char</span>* mode) { <span class="keywordflow">return</span> fdopen(fd, mode); }</div>
<div class="line"><a name="l02375"></a><span class="lineno"> 2375</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l02376"></a><span class="lineno"> 2376</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> FClose(FILE* fp) { <span class="keywordflow">return</span> fclose(fp); }</div>
<div class="line"><a name="l02377"></a><span class="lineno"> 2377</span>&#160;<span class="preprocessor">#if !GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l02378"></a><span class="lineno"> 2378</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> Read(<span class="keywordtype">int</span> fd, <span class="keywordtype">void</span>* buf, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count) {</div>
<div class="line"><a name="l02379"></a><span class="lineno"> 2379</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(read(fd, buf, count));</div>
<div class="line"><a name="l02380"></a><span class="lineno"> 2380</span>&#160;}</div>
<div class="line"><a name="l02381"></a><span class="lineno"> 2381</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> Write(<span class="keywordtype">int</span> fd, <span class="keyword">const</span> <span class="keywordtype">void</span>* buf, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count) {</div>
<div class="line"><a name="l02382"></a><span class="lineno"> 2382</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(write(fd, buf, count));</div>
<div class="line"><a name="l02383"></a><span class="lineno"> 2383</span>&#160;}</div>
<div class="line"><a name="l02384"></a><span class="lineno"> 2384</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> Close(<span class="keywordtype">int</span> fd) { <span class="keywordflow">return</span> close(fd); }</div>
<div class="line"><a name="l02385"></a><span class="lineno"> 2385</span>&#160;<span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* StrError(<span class="keywordtype">int</span> errnum) { <span class="keywordflow">return</span> strerror(errnum); }</div>
<div class="line"><a name="l02386"></a><span class="lineno"> 2386</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l02387"></a><span class="lineno"> 2387</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* GetEnv(<span class="keyword">const</span> <span class="keywordtype">char</span>* name) {</div>
<div class="line"><a name="l02388"></a><span class="lineno"> 2388</span>&#160;<span class="preprocessor">#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE | GTEST_OS_WINDOWS_RT</span></div>
<div class="line"><a name="l02389"></a><span class="lineno"> 2389</span>&#160;<span class="preprocessor"></span>  <span class="comment">// We are on Windows CE, which has no environment variables.</span></div>
<div class="line"><a name="l02390"></a><span class="lineno"> 2390</span>&#160;  <span class="keyword">static_cast&lt;</span><span class="keywordtype">void</span><span class="keyword">&gt;</span>(name);  <span class="comment">// To prevent &#39;unused argument&#39; warning.</span></div>
<div class="line"><a name="l02391"></a><span class="lineno"> 2391</span>&#160;  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l02392"></a><span class="lineno"> 2392</span>&#160;<span class="preprocessor">#elif defined(__BORLANDC__) || defined(__SunOS_5_8) || defined(__SunOS_5_9)</span></div>
<div class="line"><a name="l02393"></a><span class="lineno"> 2393</span>&#160;<span class="preprocessor"></span>  <span class="comment">// Environment variables which we programmatically clear will be set to the</span></div>
<div class="line"><a name="l02394"></a><span class="lineno"> 2394</span>&#160;  <span class="comment">// empty string rather than unset (NULL).  Handle that case.</span></div>
<div class="line"><a name="l02395"></a><span class="lineno"> 2395</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> env = getenv(name);</div>
<div class="line"><a name="l02396"></a><span class="lineno"> 2396</span>&#160;  <span class="keywordflow">return</span> (env != NULL &amp;&amp; env[0] != <span class="charliteral">&#39;\0&#39;</span>) ? env : NULL;</div>
<div class="line"><a name="l02397"></a><span class="lineno"> 2397</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l02398"></a><span class="lineno"> 2398</span>&#160;<span class="preprocessor"></span>  <span class="keywordflow">return</span> getenv(name);</div>
<div class="line"><a name="l02399"></a><span class="lineno"> 2399</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l02400"></a><span class="lineno"> 2400</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l02401"></a><span class="lineno"> 2401</span>&#160;</div>
<div class="line"><a name="l02402"></a><span class="lineno"> 2402</span>&#160;GTEST_DISABLE_MSC_WARNINGS_POP_()</div>
<div class="line"><a name="l02403"></a><span class="lineno"> 2403</span>&#160;</div>
<div class="line"><a name="l02404"></a><span class="lineno"> 2404</span>&#160;<span class="preprocessor">#if GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l02405"></a><span class="lineno"> 2405</span>&#160;<span class="preprocessor"></span><span class="comment">// Windows CE has no C library. The abort() function is used in</span></div>
<div class="line"><a name="l02406"></a><span class="lineno"> 2406</span>&#160;<span class="comment">// several places in Google Test. This implementation provides a reasonable</span></div>
<div class="line"><a name="l02407"></a><span class="lineno"> 2407</span>&#160;<span class="comment">// imitation of standard behaviour.</span></div>
<div class="line"><a name="l02408"></a><span class="lineno"> 2408</span>&#160;<span class="keywordtype">void</span> Abort();</div>
<div class="line"><a name="l02409"></a><span class="lineno"> 2409</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l02410"></a><span class="lineno"> 2410</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">void</span> Abort() { abort(); }</div>
<div class="line"><a name="l02411"></a><span class="lineno"> 2411</span>&#160;<span class="preprocessor">#endif  // GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l02412"></a><span class="lineno"> 2412</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02413"></a><span class="lineno"> 2413</span>&#160;}  <span class="comment">// namespace posix</span></div>
<div class="line"><a name="l02414"></a><span class="lineno"> 2414</span>&#160;</div>
<div class="line"><a name="l02415"></a><span class="lineno"> 2415</span>&#160;<span class="comment">// MSVC &quot;deprecates&quot; snprintf and issues warnings wherever it is used.  In</span></div>
<div class="line"><a name="l02416"></a><span class="lineno"> 2416</span>&#160;<span class="comment">// order to avoid these warnings, we need to use _snprintf or _snprintf_s on</span></div>
<div class="line"><a name="l02417"></a><span class="lineno"> 2417</span>&#160;<span class="comment">// MSVC-based platforms.  We map the GTEST_SNPRINTF_ macro to the appropriate</span></div>
<div class="line"><a name="l02418"></a><span class="lineno"> 2418</span>&#160;<span class="comment">// function in order to achieve that.  We use macro definition here because</span></div>
<div class="line"><a name="l02419"></a><span class="lineno"> 2419</span>&#160;<span class="comment">// snprintf is a variadic function.</span></div>
<div class="line"><a name="l02420"></a><span class="lineno"> 2420</span>&#160;<span class="preprocessor">#if _MSC_VER &gt;= 1400 &amp;&amp; !GTEST_OS_WINDOWS_MOBILE</span></div>
<div class="line"><a name="l02421"></a><span class="lineno"> 2421</span>&#160;<span class="preprocessor"></span><span class="comment">// MSVC 2005 and above support variadic macros.</span></div>
<div class="line"><a name="l02422"></a><span class="lineno"> 2422</span>&#160;<span class="preprocessor"># define GTEST_SNPRINTF_(buffer, size, format, ...) \</span></div>
<div class="line"><a name="l02423"></a><span class="lineno"> 2423</span>&#160;<span class="preprocessor">     _snprintf_s(buffer, size, size, format, __VA_ARGS__)</span></div>
<div class="line"><a name="l02424"></a><span class="lineno"> 2424</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#elif defined(_MSC_VER)</span></div>
<div class="line"><a name="l02425"></a><span class="lineno"> 2425</span>&#160;<span class="preprocessor"></span><span class="comment">// Windows CE does not define _snprintf_s and MSVC prior to 2005 doesn&#39;t</span></div>
<div class="line"><a name="l02426"></a><span class="lineno"> 2426</span>&#160;<span class="comment">// complain about _snprintf.</span></div>
<div class="line"><a name="l02427"></a><span class="lineno"> 2427</span>&#160;<span class="preprocessor"># define GTEST_SNPRINTF_ _snprintf</span></div>
<div class="line"><a name="l02428"></a><span class="lineno"> 2428</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l02429"></a><span class="lineno"> 2429</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_SNPRINTF_ snprintf</span></div>
<div class="line"><a name="l02430"></a><span class="lineno"> 2430</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l02431"></a><span class="lineno"> 2431</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02432"></a><span class="lineno"> 2432</span>&#160;<span class="comment">// The maximum number a BiggestInt can represent.  This definition</span></div>
<div class="line"><a name="l02433"></a><span class="lineno"> 2433</span>&#160;<span class="comment">// works no matter BiggestInt is represented in one&#39;s complement or</span></div>
<div class="line"><a name="l02434"></a><span class="lineno"> 2434</span>&#160;<span class="comment">// two&#39;s complement.</span></div>
<div class="line"><a name="l02435"></a><span class="lineno"> 2435</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l02436"></a><span class="lineno"> 2436</span>&#160;<span class="comment">// We cannot rely on numeric_limits in STL, as __int64 and long long</span></div>
<div class="line"><a name="l02437"></a><span class="lineno"> 2437</span>&#160;<span class="comment">// are not part of standard C++ and numeric_limits doesn&#39;t need to be</span></div>
<div class="line"><a name="l02438"></a><span class="lineno"> 2438</span>&#160;<span class="comment">// defined for them.</span></div>
<div class="line"><a name="l02439"></a><span class="lineno"> 2439</span>&#160;<span class="keyword">const</span> BiggestInt kMaxBiggestInt =</div>
<div class="line"><a name="l02440"></a><span class="lineno"> 2440</span>&#160;    ~(<span class="keyword">static_cast&lt;</span>BiggestInt<span class="keyword">&gt;</span>(1) &lt;&lt; (8*<span class="keyword">sizeof</span>(BiggestInt) - 1));</div>
<div class="line"><a name="l02441"></a><span class="lineno"> 2441</span>&#160;</div>
<div class="line"><a name="l02442"></a><span class="lineno"> 2442</span>&#160;<span class="comment">// This template class serves as a compile-time function from size to</span></div>
<div class="line"><a name="l02443"></a><span class="lineno"> 2443</span>&#160;<span class="comment">// type.  It maps a size in bytes to a primitive type with that</span></div>
<div class="line"><a name="l02444"></a><span class="lineno"> 2444</span>&#160;<span class="comment">// size. e.g.</span></div>
<div class="line"><a name="l02445"></a><span class="lineno"> 2445</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l02446"></a><span class="lineno"> 2446</span>&#160;<span class="comment">//   TypeWithSize&lt;4&gt;::UInt</span></div>
<div class="line"><a name="l02447"></a><span class="lineno"> 2447</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l02448"></a><span class="lineno"> 2448</span>&#160;<span class="comment">// is typedef-ed to be unsigned int (unsigned integer made up of 4</span></div>
<div class="line"><a name="l02449"></a><span class="lineno"> 2449</span>&#160;<span class="comment">// bytes).</span></div>
<div class="line"><a name="l02450"></a><span class="lineno"> 2450</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l02451"></a><span class="lineno"> 2451</span>&#160;<span class="comment">// Such functionality should belong to STL, but I cannot find it</span></div>
<div class="line"><a name="l02452"></a><span class="lineno"> 2452</span>&#160;<span class="comment">// there.</span></div>
<div class="line"><a name="l02453"></a><span class="lineno"> 2453</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l02454"></a><span class="lineno"> 2454</span>&#160;<span class="comment">// Google Test uses this class in the implementation of floating-point</span></div>
<div class="line"><a name="l02455"></a><span class="lineno"> 2455</span>&#160;<span class="comment">// comparison.</span></div>
<div class="line"><a name="l02456"></a><span class="lineno"> 2456</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l02457"></a><span class="lineno"> 2457</span>&#160;<span class="comment">// For now it only handles UInt (unsigned int) as that&#39;s all Google Test</span></div>
<div class="line"><a name="l02458"></a><span class="lineno"> 2458</span>&#160;<span class="comment">// needs.  Other types can be easily added in the future if need</span></div>
<div class="line"><a name="l02459"></a><span class="lineno"> 2459</span>&#160;<span class="comment">// arises.</span></div>
<div class="line"><a name="l02460"></a><span class="lineno"> 2460</span>&#160;<span class="keyword">template</span> &lt;<span class="keywordtype">size_t</span> size&gt;</div>
<div class="line"><a name="l02461"></a><span class="lineno"><a class="line" href="classtesting_1_1internal_1_1TypeWithSize.html"> 2461</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtesting_1_1internal_1_1TypeWithSize.html">TypeWithSize</a> {</div>
<div class="line"><a name="l02462"></a><span class="lineno"> 2462</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l02463"></a><span class="lineno"> 2463</span>&#160;  <span class="comment">// This prevents the user from using TypeWithSize&lt;N&gt; with incorrect</span></div>
<div class="line"><a name="l02464"></a><span class="lineno"> 2464</span>&#160;  <span class="comment">// values of N.</span></div>
<div class="line"><a name="l02465"></a><span class="lineno"> 2465</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">void</span> UInt;</div>
<div class="line"><a name="l02466"></a><span class="lineno"> 2466</span>&#160;};</div>
<div class="line"><a name="l02467"></a><span class="lineno"> 2467</span>&#160;</div>
<div class="line"><a name="l02468"></a><span class="lineno"> 2468</span>&#160;<span class="comment">// The specialization for size 4.</span></div>
<div class="line"><a name="l02469"></a><span class="lineno"> 2469</span>&#160;<span class="keyword">template</span> &lt;&gt;</div>
<div class="line"><a name="l02470"></a><span class="lineno"><a class="line" href="classtesting_1_1internal_1_1TypeWithSize_3_014_01_4.html"> 2470</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtesting_1_1internal_1_1TypeWithSize.html">TypeWithSize</a>&lt;4&gt; {</div>
<div class="line"><a name="l02471"></a><span class="lineno"> 2471</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l02472"></a><span class="lineno"> 2472</span>&#160;  <span class="comment">// unsigned int has size 4 in both gcc and MSVC.</span></div>
<div class="line"><a name="l02473"></a><span class="lineno"> 2473</span>&#160;  <span class="comment">//</span></div>
<div class="line"><a name="l02474"></a><span class="lineno"> 2474</span>&#160;  <span class="comment">// As base/basictypes.h doesn&#39;t compile on Windows, we cannot use</span></div>
<div class="line"><a name="l02475"></a><span class="lineno"> 2475</span>&#160;  <span class="comment">// uint32, uint64, and etc here.</span></div>
<div class="line"><a name="l02476"></a><span class="lineno"> 2476</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">int</span> Int;</div>
<div class="line"><a name="l02477"></a><span class="lineno"> 2477</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> UInt;</div>
<div class="line"><a name="l02478"></a><span class="lineno"> 2478</span>&#160;};</div>
<div class="line"><a name="l02479"></a><span class="lineno"> 2479</span>&#160;</div>
<div class="line"><a name="l02480"></a><span class="lineno"> 2480</span>&#160;<span class="comment">// The specialization for size 8.</span></div>
<div class="line"><a name="l02481"></a><span class="lineno"> 2481</span>&#160;<span class="keyword">template</span> &lt;&gt;</div>
<div class="line"><a name="l02482"></a><span class="lineno"><a class="line" href="classtesting_1_1internal_1_1TypeWithSize_3_018_01_4.html"> 2482</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtesting_1_1internal_1_1TypeWithSize.html">TypeWithSize</a>&lt;8&gt; {</div>
<div class="line"><a name="l02483"></a><span class="lineno"> 2483</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l02484"></a><span class="lineno"> 2484</span>&#160;<span class="preprocessor">#if GTEST_OS_WINDOWS</span></div>
<div class="line"><a name="l02485"></a><span class="lineno"> 2485</span>&#160;<span class="preprocessor"></span>  <span class="keyword">typedef</span> __int64 Int;</div>
<div class="line"><a name="l02486"></a><span class="lineno"> 2486</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> __int64 UInt;</div>
<div class="line"><a name="l02487"></a><span class="lineno"> 2487</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l02488"></a><span class="lineno"> 2488</span>&#160;<span class="preprocessor"></span>  <span class="keyword">typedef</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> Int;  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l02489"></a><span class="lineno"> 2489</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> UInt;  <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l02490"></a><span class="lineno"> 2490</span>&#160;<span class="preprocessor">#endif  // GTEST_OS_WINDOWS</span></div>
<div class="line"><a name="l02491"></a><span class="lineno"> 2491</span>&#160;<span class="preprocessor"></span>};</div>
<div class="line"><a name="l02492"></a><span class="lineno"> 2492</span>&#160;</div>
<div class="line"><a name="l02493"></a><span class="lineno"> 2493</span>&#160;<span class="comment">// Integer types of known sizes.</span></div>
<div class="line"><a name="l02494"></a><span class="lineno"> 2494</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classtesting_1_1internal_1_1TypeWithSize.html">TypeWithSize&lt;4&gt;::Int</a> Int32;</div>
<div class="line"><a name="l02495"></a><span class="lineno"> 2495</span>&#160;<span class="keyword">typedef</span> TypeWithSize&lt;4&gt;::UInt UInt32;</div>
<div class="line"><a name="l02496"></a><span class="lineno"> 2496</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classtesting_1_1internal_1_1TypeWithSize.html">TypeWithSize&lt;8&gt;::Int</a> Int64;</div>
<div class="line"><a name="l02497"></a><span class="lineno"> 2497</span>&#160;<span class="keyword">typedef</span> TypeWithSize&lt;8&gt;::UInt UInt64;</div>
<div class="line"><a name="l02498"></a><span class="lineno"> 2498</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classtesting_1_1internal_1_1TypeWithSize.html">TypeWithSize&lt;8&gt;::Int</a> TimeInMillis;  <span class="comment">// Represents time in milliseconds.</span></div>
<div class="line"><a name="l02499"></a><span class="lineno"> 2499</span>&#160;</div>
<div class="line"><a name="l02500"></a><span class="lineno"> 2500</span>&#160;<span class="comment">// Utilities for command line flags and environment variables.</span></div>
<div class="line"><a name="l02501"></a><span class="lineno"> 2501</span>&#160;</div>
<div class="line"><a name="l02502"></a><span class="lineno"> 2502</span>&#160;<span class="comment">// Macro for referencing flags.</span></div>
<div class="line"><a name="l02503"></a><span class="lineno"> 2503</span>&#160;<span class="preprocessor">#if !defined(GTEST_FLAG)</span></div>
<div class="line"><a name="l02504"></a><span class="lineno"> 2504</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_FLAG(name) FLAGS_gtest_##name</span></div>
<div class="line"><a name="l02505"></a><span class="lineno"> 2505</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // !defined(GTEST_FLAG)</span></div>
<div class="line"><a name="l02506"></a><span class="lineno"> 2506</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02507"></a><span class="lineno"> 2507</span>&#160;<span class="preprocessor">#if !defined(GTEST_USE_OWN_FLAGFILE_FLAG_)</span></div>
<div class="line"><a name="l02508"></a><span class="lineno"> 2508</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_USE_OWN_FLAGFILE_FLAG_ 1</span></div>
<div class="line"><a name="l02509"></a><span class="lineno"> 2509</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // !defined(GTEST_USE_OWN_FLAGFILE_FLAG_)</span></div>
<div class="line"><a name="l02510"></a><span class="lineno"> 2510</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02511"></a><span class="lineno"> 2511</span>&#160;<span class="preprocessor">#if !defined(GTEST_DECLARE_bool_)</span></div>
<div class="line"><a name="l02512"></a><span class="lineno"> 2512</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_FLAG_SAVER_ ::testing::internal::GTestFlagSaver</span></div>
<div class="line"><a name="l02513"></a><span class="lineno"> 2513</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02514"></a><span class="lineno"> 2514</span>&#160;<span class="comment">// Macros for declaring flags.</span></div>
<div class="line"><a name="l02515"></a><span class="lineno"> 2515</span>&#160;<span class="preprocessor"># define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name)</span></div>
<div class="line"><a name="l02516"></a><span class="lineno"> 2516</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_DECLARE_int32_(name) \</span></div>
<div class="line"><a name="l02517"></a><span class="lineno"> 2517</span>&#160;<span class="preprocessor">    GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name)</span></div>
<div class="line"><a name="l02518"></a><span class="lineno"> 2518</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GTEST_DECLARE_string_(name) \</span></div>
<div class="line"><a name="l02519"></a><span class="lineno"> 2519</span>&#160;<span class="preprocessor">    GTEST_API_ extern ::std::string GTEST_FLAG(name)</span></div>
<div class="line"><a name="l02520"></a><span class="lineno"> 2520</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02521"></a><span class="lineno"> 2521</span>&#160;<span class="comment">// Macros for defining flags.</span></div>
<div class="line"><a name="l02522"></a><span class="lineno"> 2522</span>&#160;<span class="preprocessor">#define GTEST_DEFINE_bool_(name, default_val, doc) \</span></div>
<div class="line"><a name="l02523"></a><span class="lineno"> 2523</span>&#160;<span class="preprocessor">    GTEST_API_ bool GTEST_FLAG(name) = (default_val)</span></div>
<div class="line"><a name="l02524"></a><span class="lineno"> 2524</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GTEST_DEFINE_int32_(name, default_val, doc) \</span></div>
<div class="line"><a name="l02525"></a><span class="lineno"> 2525</span>&#160;<span class="preprocessor">    GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val)</span></div>
<div class="line"><a name="l02526"></a><span class="lineno"> 2526</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GTEST_DEFINE_string_(name, default_val, doc) \</span></div>
<div class="line"><a name="l02527"></a><span class="lineno"> 2527</span>&#160;<span class="preprocessor">    GTEST_API_ ::std::string GTEST_FLAG(name) = (default_val)</span></div>
<div class="line"><a name="l02528"></a><span class="lineno"> 2528</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02529"></a><span class="lineno"> 2529</span>&#160;<span class="preprocessor">#endif  // !defined(GTEST_DECLARE_bool_)</span></div>
<div class="line"><a name="l02530"></a><span class="lineno"> 2530</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02531"></a><span class="lineno"> 2531</span>&#160;<span class="comment">// Thread annotations</span></div>
<div class="line"><a name="l02532"></a><span class="lineno"> 2532</span>&#160;<span class="preprocessor">#if !defined(GTEST_EXCLUSIVE_LOCK_REQUIRED_)</span></div>
<div class="line"><a name="l02533"></a><span class="lineno"> 2533</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_EXCLUSIVE_LOCK_REQUIRED_(locks)</span></div>
<div class="line"><a name="l02534"></a><span class="lineno"> 2534</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># define GTEST_LOCK_EXCLUDED_(locks)</span></div>
<div class="line"><a name="l02535"></a><span class="lineno"> 2535</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif  // !defined(GTEST_EXCLUSIVE_LOCK_REQUIRED_)</span></div>
<div class="line"><a name="l02536"></a><span class="lineno"> 2536</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l02537"></a><span class="lineno"> 2537</span>&#160;<span class="comment">// Parses &#39;str&#39; for a 32-bit signed integer.  If successful, writes the result</span></div>
<div class="line"><a name="l02538"></a><span class="lineno"> 2538</span>&#160;<span class="comment">// to *value and returns true; otherwise leaves *value unchanged and returns</span></div>
<div class="line"><a name="l02539"></a><span class="lineno"> 2539</span>&#160;<span class="comment">// false.</span></div>
<div class="line"><a name="l02540"></a><span class="lineno"> 2540</span>&#160;<span class="comment">// TODO(chandlerc): Find a better way to refactor flag and environment parsing</span></div>
<div class="line"><a name="l02541"></a><span class="lineno"> 2541</span>&#160;<span class="comment">// out of both gtest-port.cc and gtest.cc to avoid exporting this utility</span></div>
<div class="line"><a name="l02542"></a><span class="lineno"> 2542</span>&#160;<span class="comment">// function.</span></div>
<div class="line"><a name="l02543"></a><span class="lineno"> 2543</span>&#160;<span class="keywordtype">bool</span> ParseInt32(<span class="keyword">const</span> <a class="code" href="classtesting_1_1Message.html">Message</a>&amp; src_text, <span class="keyword">const</span> <span class="keywordtype">char</span>* str, Int32* value);</div>
<div class="line"><a name="l02544"></a><span class="lineno"> 2544</span>&#160;</div>
<div class="line"><a name="l02545"></a><span class="lineno"> 2545</span>&#160;<span class="comment">// Parses a bool/Int32/string from the environment variable</span></div>
<div class="line"><a name="l02546"></a><span class="lineno"> 2546</span>&#160;<span class="comment">// corresponding to the given Google Test flag.</span></div>
<div class="line"><a name="l02547"></a><span class="lineno"> 2547</span>&#160;<span class="keywordtype">bool</span> BoolFromGTestEnv(<span class="keyword">const</span> <span class="keywordtype">char</span>* flag, <span class="keywordtype">bool</span> default_val);</div>
<div class="line"><a name="l02548"></a><span class="lineno"> 2548</span>&#160;GTEST_API_ Int32 Int32FromGTestEnv(<span class="keyword">const</span> <span class="keywordtype">char</span>* flag, Int32 default_val);</div>
<div class="line"><a name="l02549"></a><span class="lineno"> 2549</span>&#160;std::string StringFromGTestEnv(<span class="keyword">const</span> <span class="keywordtype">char</span>* flag, <span class="keyword">const</span> <span class="keywordtype">char</span>* default_val);</div>
<div class="line"><a name="l02550"></a><span class="lineno"> 2550</span>&#160;</div>
<div class="line"><a name="l02551"></a><span class="lineno"> 2551</span>&#160;}  <span class="comment">// namespace internal</span></div>
<div class="line"><a name="l02552"></a><span class="lineno"> 2552</span>&#160;}  <span class="comment">// namespace testing</span></div>
<div class="line"><a name="l02553"></a><span class="lineno"> 2553</span>&#160;</div>
<div class="line"><a name="l02554"></a><span class="lineno"> 2554</span>&#160;<span class="preprocessor">#endif  // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_</span></div>
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